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Reference Populations

The Ancestry Composition report uses two types of reference populations to uncover your ancestry: regional populations that represent ancestry from several hundred years ago, and country populations that represent more recent ancestor locations.

Our regional populations are based on reference datasets representing 31 populations. When selecting these 31 reference populations, we attempted to make the population or geographic region represented by each dataset as small as possible. We experimented with different groupings of country-level populations to find combinations that we could distinguish between. There are some populations that are inherently difficult to tell apart, typically because the people in those regions mixed throughout history or have a shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

The 31 Ancestry Composition regional populations are organized in a hierarchy, which reflects the genetic structure of global populations. For example, British & Irish is a part of Northwestern European, which is part of European.

In April 2018, we added over 120 new recent ancestor locations which reflect specific countries where your ancestors likely lived during the last 200 years. These recent ancestor locations are noted in each of the regional populations below. You can learn more about recent ancestor locations here.

The global populations available in Ancestry Composition are:

Go to your Ancestry Composition report.

 

European

Northwestern European | Eastern European | Southern European 

Ashkenazi Jewish | Broadly European

Northwestern European

Northwestern_Europe.png

Northwestern Europeans are represented by people from as far west as Ireland, as far north as Norway, as far east as Finland, and as far south as France. These countries rim the North and Baltic Seas, and have been connected throughout much of history by those waters.

Below is a list of our Northwestern reference datasets; click on the population of interest to learn more about the history and location of the region, and see the recent ancestor locations included in each:

    • British & Irish
    • French & German
    • Scandinavian
    • Finnish
    • Broadly Northwestern European
British & Irish

British___Irish.png

Descended from Celtic, Saxon, and Viking ancestors, the people of Great Britain and Ireland have left their genetic fingerprints around the world, following centuries of nautical exploration, colonization, and immigration. The modern British Commonwealth is composed of 52 member states found on every continent except Antarctica, and the English language is a lingua franca for global economic exchange.

The British & Irish reference dataset includes people from Ireland or the United Kingdom (which includes Scotland). At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the British & Irish reference population:

  • Ireland
  • United Kingdom
French & German

French___German.png

"French and German" people descend from ancient Alpine-Celtic and Germanic populations, and inhabit an area extending from the Netherlands to Austria — roughly corresponding to the extent of Charlemagne's Frankish Kingdom in the Middle Ages. Estimates place Charlemagne himself in the family trees of all modern Europeans, possibly many times over. Genetically and geographically, the French and Germans are at the heart of Europe.

This dataset includes people of Austrian, French, German, Belgian, Dutch, or Swiss ancestry. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the French & German reference population:

  • Austria
  • Belgium
  • France
  • Germany
  • Luxembourg
  • Netherlands
  • Switzerland
Scandinavian

Scandinavian.png

Scandinavians — represented by the people of Norway, Sweden, Denmark, and Iceland — owe much of their linguistic and genetic heritage to North Germanic tribes who established settlements around the North Sea during the late Middle Ages. Many Scandinavians, like the Sámi people in the far north, are descendants of indigenous Scandinavian hunter-gatherers. In the United States, Scandinavian ancestry is most common in North Dakota.

This dataset includes people of Danish, Norwegian, or Swedish ancestry. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the Scandinavian reference population:

  • Denmark
  • Iceland
  • Norway
  • Sweden
Finnish

Finnish.png

Finland was peopled by multiple waves of colonization, including a migration of early Uralic peoples from Eastern Europe or western Siberia. Modern Finns are genetically and linguistically distinct from their Nordic and Slavic neighbors, despite centuries of Swedish and then Russian rule. Today, there are up to seven million ethnic Finns worldwide, with over 600,000 living in the United States, concentrated in Minnesota and northwestern Michigan.

Genetically distinct populations, like the Finns, have their own reference population in Ancestry Composition.

Broadly Northwestern European

Broadly_Northwestern_European.png

Northwestern Europeans are represented by people from as far west as Ireland, as far north as Norway, as far east as Finland, and as far south as France. These countries rim the North and Baltic Seas, and have been connected throughout much of history by those waters.

Sometimes a piece of DNA matches a regional population but cannot be assigned to a more specific population. In such a case, we assign the DNA "broadly" to that regional population rather than a specific one.

 

Eastern European

Eastern_European.png

Eastern Europe was heavily influenced by Imperial Russia between the eighteenth and twentieth centuries, but a common genetic heritage dates back to an earlier Slavic expansion from the area of present-day Ukraine. After the collapse of the Soviet Union in 1991, millions of Eastern Europeans migrated west in search of economic opportunity. In America, Eastern European ancestry is most common in the Midwest.

The Eastern European dataset includes people of Belarusian, Czech, Hungarian, Polish, Russian, Slovak, Slovene, or Ukrainian ancestry. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the Eastern European population:

  • Belarus
  • Czech Republic
  • Estonia
  • Hungary
  • Latvia
  • Lithuania
  • Poland
  • Russia
  • Slovakia
  • Slovenia
  • Ukraine

 

Southern European

Southern_European.png

Southern Europe, including the Iberian, Italian, and Balkan peninsulas as well as the island of Malta, is a region defined in great part by the Mediterranean Sea. The Mediterranean has provided transportation routes, keeping these regions connected.

Below is a list of our Southern European reference datasets; click on the population of interest to learn more about the history and location of the region:

    • Balkan
    • Italian
    • Sardinian
    • Iberian
    • Broadly Southern European
Balkan

Balkan_2.png

The Balkan Peninsula is nestled in the southeastern corner of Europe and serves as the geographic and genetic crossroads between Europe and western Asia. Despite broad cultural and religious diversity, the people of the Balkans are genetically similar to one another, descending from early Mediterranean and Slavic peoples. Island Greeks lack this ancestral Slavic influence and are similar to southern Italians.

This dataset includes people of Albanian, Bosnian and Herzegovinian, Bulgarian, Croatian, Greek, Macedonian, Maltese, Montenegrin, Romanian, or Serbian ancestry. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the Balkan reference population:

  • Albania
  • Bosnia and Herzegovina
  • Bulgaria
  • Croatia
  • Greece
  • Macedonia
  • Moldova
  • Montenegro
  • Romania
  • Serbia
Italian

Italian.png

Bisected from north to south by the Apennine mountains, the famously boot-shaped Italian peninsula has been home to modern humans for over 30,000 years. In the early Middle Ages, Germanic invaders brought about the fall of the western Roman empire, and a northern European genetic signature persists in modern Italians to this day. This influence is strongest in the north, while southern Italians share a rich genetic legacy with Greece.

This dataset includes people of Italian, Northern Italian, or Tuscan ancestry. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the Italian reference population:

  • Italy
  • Malta
Sardinian

Sardinian.png

Sardinians are outliers in the genetic landscape of Europe, thanks to the geographic isolation of their rugged island home off of mainland Italy. Over the centuries, Sardinians resisted assimilation by occupying forces and have managed to preserve a few unique traditions, including “Cantu a Tenòre,” a haunting style of overtone singing practiced to this day.

Genetically distinct populations, like the Sardinians, have their own reference population in Ancestry Composition.

Iberian

Iberian.png

The genetic landscape of the Iberian Peninsula — represented today by the people of Spain and Portugal — was influenced by several Mediterranean civilizations, including 800 years of Arabic North African rule. Now, a small North African genetic signature is present in Iberian DNA, and over eight percent of Spanish words carry Arabic origins. Conquistadors from Portugal and Spain colonized parts of Africa, Oceania, and the Americas, and Iberian DNA is now relatively common in Latino peoples from Central and South America.

This dataset includes people of France Basque, Portuguese, or Spanish ancestry. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the Iberian reference population:

  • Portugal
  • Spain
Broadly Southern European

Broadly_Southern_European.png

Southern Europe, including the Iberian, Italian, and Balkan peninsulas as well as the island of Malta, is a region defined in great part by the Mediterranean Sea. The Mediterranean has provided transportation routes, keeping these regions connected.

Sometimes a piece of DNA matches a regional population but cannot be assigned to a more specific population. In such a case, we assign the DNA "broadly" to that regional population rather than a specific one.

 

Ashkenazi Jewish

Ashkenazi_Jewish.png

Ashkenazi Jews settled in Central and Eastern Europe in the late Middle Ages, but their modern descendants remain genetically more similar to other Jewish populations than to their European neighbors, reflecting shared western Asian origins. In the twentieth century, many Ashkenazi Jews immigrated to Israel or to the Americas in search of greater cultural and religious acceptance. Today, over five million ethnic Ashkenazi Jews live in the US.

Although not a country or region, they have their own reference population in Ancestry Composition because Ashkenazi Jews are so genetically distinct.

 

Broadly European

Broadly_European.png

Much of Europe was buried under miles of ice ten thousand years ago. As the glaciers receded over millennia, Neolithic farmers from western Asia joined Paleolithic hunter-gatherers to settle Europe.

Sometimes a piece of DNA matches a regional population but cannot be assigned to a more specific population. In such a case, we assign the DNA "broadly" to that regional population rather than a specific one.

 

South Asian

South_Asian.png

Extending from Afghanistan in the northwest to Bangladesh in the east, South Asia was peopled over 50,000 years ago by the first wave of modern humans to leave Africa. Today, India alone is home to four major language families and nearly one-fifth of the world’s population. Modern Indians descend from both ancient western Asian immigrants and an indigenous Dravidian population.

This dataset includes people of Afghan, Balochi, Bangladeshi, Brahui, Burusho, Hazara, Indian, Kalash, Makrani, Nepalese, Pakistani, Pathan, Sindhi, Sri Lankan, or Uygur ancestry. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the South Asian reference population:

  • Afghanistan
  • Bangladesh
  • India
  • Mauritius
  • Nepal
  • Pakistan
  • Sri Lanka

 

East Asian & Native American

East Asian | Native American | Southeast Asian | Broadly East Asian & Native American

East Asian

East_Asian.png

Eastern Asia encompasses Japan, Korea, China, Mongolia and the Yakut people of eastern Russia. The people of Northeastern Asia most likely arrived using a different, later route than the settlers of Southeastern Asia. They eventually crossed Beringia 12-15,000 years ago to become the ancestors of Native Americans.

Below is a list of our East Asian reference datasets; click on the population of interest to learn more about the history and location of the region:

    • Korean
    • Siberian
    • Manchurian & Mongolian
    • Japanese
    • Chinese
    • Broadly East Asian
Korean

Korean.png

The Korean peninsula was first inhabited by hunter-gatherers who were genetically similar to Stone Age peoples living near the Amur River in eastern Russia. These early Koreans were later joined by Bronze-Age rice farmers from southern China or Vietnam. By the tenth century, Korea was politically and culturally unified and remained so until the establishment of a communist north and a democratic south after the Second World War. Although North and South Koreans are politically divided, they remain genetically similar to one another.

This dataset is made up of people of South Korean descent. Genetically distinct populations, like the Koreans, have their own reference population in Ancestry Composition.

Recent ancestor locations included in the Korean reference population:

  • North Korea
  • South Korea
Siberian

Yakut.png

Many ethnolinguistic groups call the northern reaches of Asia home. Among them are the Yukaghir, the Evenks, and the Yakuts, a Turkic people originating near Lake Baikal in southern Russia. Today, almost all ethnic Yakuts live in The Sakha Republic in northeastern Siberia and are well adapted to climate extremes. Sakha boasts the largest annual temperature fluctuations in the world, with summer highs over +90°F (+32°C) and winter lows below -90°F (-68°C).

Genetically distinct populations, like this one, have their own reference population in Ancestry Composition.

Manchurian & Mongolian

Mongolian.png

The Manchurian and Mongolian population includes ethnolinguistic minorities like the Daur — who speak a language related to Mongolian — and the Oroqen, who speak a Tungusic language and live near the Amur River basin. These groups reside at the juncture of the Central Asian plains, boreal forests, and the Gobi Desert. Linguistically distinct but genetically similar, Mongolian and Manchurian peoples practice shamanism and Tibetan Buddhism.

This population includes people of Daur, Hezhen, Mongolian, Oroqen, Tu, or Xibo ancestry. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the Manchurian & Mongolian reference population:

  • Mongolia
  • Kazakhstan
  • Kyrgyzstan
Japanese

Japanese.png

The Japanese Archipelago, composed of a whopping 6,852 islands, was colonized by multiple waves of immigrants beginning as early as 30,000 BCE. Modern Japanese people can trace most of their ancestry to the stone age Jōmon and late stone age Yayoi cultures. Yayoi DNA is concentrated in the center of Japan, and the more ancient Jōmon ancestry persists to the north and south among the culturally distinctive Ainu and Ryukyuan peoples.

Genetically distinct populations, like the Japanese, have their own reference population in Ancestry Composition.

Chinese

Chinese.png

China is home to one of the world's earliest and most enduring civilizations, with over 50 officially-recognized ethnic groups. The Han ethnic group makes up 92% of the country's population, and includes nearly one-fifth of all humans in the world. Over 50 million ethnic Chinese live outside of China, with over 20 million in Thailand, Malaysia, and the United States alone.

This population includes people of Chinese, Han, Hong Kongese, or Taiwanese ancestry. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the Chinese reference population:

  • Hong Kong
  • Mainland China
  • Taiwan
Broadly East Asian

Broadly_East_Asian.png

Eastern Asia encompasses Japan, Korea, China, Mongolia and the Yakut people of eastern Russia. The people of Northeastern Asia most likely arrived using a different, later route than the settlers of Southeastern Asia. They eventually crossed Beringia 12-15,000 years ago to become the ancestors of Native Americans.

Sometimes a piece of DNA matches a regional population but cannot be assigned to a more specific population. In such a case, we assign the DNA "broadly" to that regional population rather than a specific one.

 

Native American

Native_American.png

The first humans to reach the New World populated much of North, Central, and South America within just a few thousand years following their arrival from northeast Asia, and the genetic legacy of these prehistoric trailblazers persists to this day in the indigenous peoples of the Americas. In North America, however, Native American ancestry tends to be five or more generations back, so that little DNA evidence of this heritage remains.

This dataset includes people of Colombian, Karitiana, Maya, Pima, or Surui ancestry. The Native American label is a single reference dataset. At this time, this dataset cannot be broken down by tribe or region. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the Native American reference population:

  • Argentina
  • Aruba
  • Belize
  • Bolivia
  • Brazil
  • Chile
  • Colombia
  • Costa Rica
  • Cuba
  • Dominican Republic
  • Ecuador
  • El Salvador
  • Guatemala
  • Honduras
  • Mexico
  • Nicaragua
  • Panama
  • Paraguay
  • Peru
  • Puerto Rico
  • Uruguay
  • Venezuela

 

Southeast Asian

Southeast_Asian.png

From Myanmar to Indonesia, the people of southeast Asia are genetically diverse, reflecting the legacies of several migrations beginning over 40,000 years ago. More recently, the region has been heavily influenced by Hindu, Buddhist, and Islamic cultures. Before its fall in the fifteenth century, the Khmer empire – encompassing modern-day Thailand, Laos, and Cambodia – was the largest land empire in the region’s history.

This dataset includes people of Burmese, Cambodian, Indonesian, Lao, Malaysian, Filipino, Thai, or Vietnamese ancestry. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the Southeast Asian reference population:

  • Cambodia
  • Guam
  • Indonesia
  • Laos
  • Malaysia
  • Myanmar
  • Philippines
  • Singapore
  • Thailand
  • Vietnam

 

Broadly East Asian & Native American

Broadly_East_Asian___Native_American.png

The peoples of East Asia and the Americas have a shared genetic history. Their common ancestors left western Asia over 40,000 years ago, migrating east across the continent. The ancestors of Native Americans began to cross into the Americas 12,000 to 15,000 years ago.

Sometimes a piece of DNA matches a regional population but cannot be assigned to a more specific population. In such a case we assign the DNA "broadly" to that regional population rather than a specific one.

 

Sub-Saharan African

West African | East African | African Hunter-Gatherer | Broadly Sub-Saharan African

West African

West_African.png

Extending from Senegal to Cameroon, western Africa is home to nearly 380 million people. For over a millennium before European colonization, western Africans were united under a series of powerful empires, resulting in broad similarities in music, clothing, art, and cuisine. Today, many African-Americans are descendants of enslaved western Africans who were transported to North America between the sixteenth and nineteenth centuries.

This dataset includes people of Bantu, Cameroonian, Ghanian, Ivorian, Liberian, Luhya, Mandenka, Nigerian, Sierra Leonean, or Yoruba ancestry. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the West African reference population:

  • Cabo Verde
  • Cameroon
  • Ghana
  • Liberia
  • Nigeria

 

East African

East_African.png

Possibly the cradle of modern human evolution, Eastern Africa spans from Ethiopia to Mozambique and Madagascar. Eastern Africa harbors an incredible genetic diversity, with Ethiopia alone containing dozens of ethnic groups. Home of the famous Maasai people, the southern part of Eastern Africa was first inhabited by Khoisan hunter-gatherers, until they were displaced during the Bantu expansion.

This dataset includes people of Eritrean, Ethiopian, Maasai, or Somali descent. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the East African reference population:

  • Eritrea
  • Ethiopia
  • Kenya
  • Somalia
  • Sudan

 

African Hunter-Gatherer

Central___South_African.png

Genetically-speaking, African hunter-gatherer populations — including the Pygmy and Khoe-San peoples of central and southern Africa — represent some of the oldest and most distinct branches in the human family tree. The historically semi-nomadic San peoples of the Kalahari and the Khoi pastoralists in Namibia, Botswana, and South Africa, speak indigenous languages characterized by click consonants rarely found in other language families. Pygmy peoples of the central African rainforests, on the other hand, have lost their linguistic heritage, but have preserved their unique way of life.

This dataset includes people of Biaka Pygmies, Mbuti Pygmies, or San descent. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

 

Broadly Sub-Saharan African

Broadly_Sub-Saharan_African.png

The genetic diversity of Sub-Saharan Africa reflects both the deep history of humans in the region and the recent migrations that have carried the diversity of western Africa to both southern and eastern Africa.

Sometimes a piece of DNA matches a regional population but cannot be assigned to a more specific population. In such a case, we assign the DNA "broadly" to that regional population rather than a specific one.

 

Western Asian & North African

Western Asian | North African & Arabian | Broadly Western Asian & North African

Western Asian

Middle_Eastern.png

Domestication of grains and livestock emerged 11,000 years ago in western Asia, sparking the agricultural revolution that spread to parts of Europe, Africa, and the rest of Asia. From the Caucasus to Iran, western Asia is an important crossroads in the human migration out of Africa, and the genetics of this region reflect that role. A western Asian genetic signature also appears in North Africa and southern Europe.

This dataset includes peoples of Armenian, Azerbaijani, Cypriot, Georgian, Druze, Iranian, Iraqi, Lebanese, Turkish, or Syrian descent. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the Western Asian reference population:

  • Armenia
  • Azerbaijan
  • Cyprus
  • Georgia
  • Iran
  • Iraq
  • Lebanon
  • Syria
  • Turkey
  • Uzbekistan

 

North African & Arabian

North_African.png

Although early humans lived north of the Sahara as early as 300,000 years ago, the recent ancestors of North Africans were more closely related to some non-African populations. This relationship reflects an intricate history of migrations into present-day Morocco, Algeria, Tunisia, Libya, and Egypt from the Arabian Peninsula. An older North African genetic legacy peaks in Berbers of the Maghreb and in the indigenous people of the Canary Islands.

This dataset includes people of Algerian, Bahrani, Bedouin, Egyptian, Jordanian, Kuwaiti, Moroccan, Mozabite, Palestinian, Saudi Arabian, Tunisian, Emirati, and Yemeni descent. We experimented with different groupings of populations to find combinations that we could distinguish with high confidence. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the North African & Arabian reference population:

  • Algeria
  • Bahrain
  • Egypt
  • Jordan
  • Kuwait
  • Libya
  • Morocco
  • Saudi Arabia
  • Tunisia
  • United Arab Emirates
  • Yemen

 

Broadly Western Asian & North African

Broadly_Middle_Eastern___North_African.png

The peoples of Western Asia and North Africa have not only genetic but also deep linguistic connections with one another.

Sometimes a piece of DNA matches a regional population but cannot be assigned to a more specific population. In such a case, we assign the DNA "broadly" to that regional population rather than a specific one.

 

Melanesian

Oceanian_2.png

Melanesia was first peopled by seafaring voyagers over 45,000 years ago, when the ancestors of indigenous Australian and Papuan peoples reached Near Oceania from Indonesia. These early Melanesians interbred with a now-extinct hominin species – the Denisovans – and their descendants harbor traces of this ancient encounter in their DNA.

This dataset includes people of Nan Melanesian, Palauan, or Tongan ancestry. At this time, this dataset cannot be broken down further because the people in those regions mixed throughout history or have shared history, or we might not have had enough data to tell them apart. As we obtain more data, populations will become easier to distinguish, and we will be able to report on more populations in the Ancestry Composition report.

Recent ancestor locations included in the Melanesian reference population:

  • American Samoa
  • Fiji
  • Samoa
  • Tonga

 

Unassigned

You may also see a percentage of your DNA is listed as “Unassigned.” There are two reasons why a piece of DNA might be labeled as Unassigned:

  • The piece of DNA matches many different populations from around the world.
  • The piece of DNA does not match any of the reference populations very well.

There is a wide range of human diversity out there, and sometimes our algorithm can't pinpoint a region of your DNA to a specific population. Bear with us as our data and resources continue to expand. We expect the amount of unassigned ancestry our customers see to decrease.

 

Common Questions

I received “broadly” or “unassigned”, does that mean you didn’t test me at those regions?

No, everyone is analyzed for every marker on our genotyping chip. The “broadly” and “unassigned” assignments mean we weren’t able to confidently assign the piece of DNA to a subpopulation. Learn more in the Aggregation & Reporting section of the Ancestry Composition Guide.

I know I have Native American ancestry. Why doesn't it show up in my results?

We are confident in the accuracy of your results and the science behind them. But 23andMe is a genetic testing service, which means we can only show you what is found in your DNA. If your Native American heritage cannot be seen through your DNA, that doesn't mean that your understanding of your family heritage as passed down through the generations is incorrect, only that your genetic heritage does not reveal Native American ancestry.

There are a few common reasons why you may not see the Native American population in your Ancestry Composition results:

  • If your most recent Native American ancestor was more than five generations ago, you may have inherited little or no DNA directly from your Native American ancestors. The farther back in your history you look, the less likely you are to have inherited DNA directly from every single one of your ancestors. This means that you can be directly descended from a Native American without having any Native American DNA.
  • Your Native American ancestry may be assigned to the Broadly East Asian & Native American population. Even using state-of-the-art science, the Native American and East Asian populations are genetically similar, and sometimes they can't be distinguished from each other with high confidence.
  • Throughout American history, people without a genetically Native American background have claimed Native American heritage for a variety of social reasons related to the shifting politics of race and indigeneity in the United States. As a result, many families without any genetically Native American ancestors have passed down stories about Native American ancestry. For examples, see this article or the book, Becoming Indian: The Struggle over Cherokee Identity in the Twenty-first Century, by Circe Strum.

Why isn't an expected ancestry included in my composition?

There are a few common reasons why your Ancestry Composition might not match what you expect based on historical records or family stories:

  • Some genetic populations are especially difficult to tell apart because they share common history.
  • Ancestry Composition populations are defined by genetically similar groups of people, not by the political borders of countries.
  • The time scale reflected by Ancestry Composition may be different from the time scale of your records.

What are recent ancestor locations?

In April 2018, we added an additional 120+ regions, or Recent Ancestor Locations, to your Ancestor Composition report. in your Ancestry Composition report. These regions provide information about the places where your ancestors may have lived during the last 200 years. Learn more about your Recent Ancestor Locations.

To learn more, visit our Understanding Your Ancestry Composition Results article.

 


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