Top Countries with Largest Populations Living Outside Their Home Country

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Top Countries with the Largest Populations Living Abroad in 2025

Brazil’s Diverse Diaspora: A Melting Pot of Ancestry

Brazil boasts the largest populations of residents of African descent outside Africa, with approximately 110 million people worldwide identifying with this heritage.

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Italian descendants form a significant part of Brazil’s diaspora, numbering around 30 million. These communities trace their roots back to waves of Italian immigration during the late 19th and early 20th centuries.
Portuguese ancestry also features prominently, with approximately 25 million people globally linked to Portugal, reflecting Brazil’s colonial past.
Japanese Brazilians comprise roughly 2 million individuals scattered across various regions, a legacy of Japan’s mid-20th-century migration surge.
Lebanese immigrants and their descendants make up around 7 million people, underscoring Brazil’s history as a destination for Middle Eastern migration.

The United States: A Mosaic of Global Ancestries

German-Americans are the largest ancestral group, with an estimated 45 million Americans claiming German roots, a testament to historic migration during the 19th century.
Irish Americans follow closely, with around 33 million individuals maintaining Irish heritage traditions.
Mexican-origin populations count about 38 million, making Mexico the top country of origin for non-citizen residents and American citizens with Mexican roots.
Polish Americans are estimated at 9 million, with histories dating back to the late 1800s.
Italian Americans number approximately 17 million, continuing to influence American culture and society.
Larger immigrant groups include Filipino (4.5 million), Vietnamese (2.2 million), and Chinese (5.4 million) communities, all contributing to the country’s multicultural landscape.
The U.S. also hosts notable populations of Korean (2 million), Indian (4.8 million), Cuban (2.4 million), Dominican (2.3 million), and Jamaican (1.5 million) origins, emphasizing its role as a global melting pot.

Argentina’s Rich European Heritage

Italian descendants dominate Argentina’s diaspora, with roughly 25 million tracing their lineage back to Italy.
Spanish heritage is pervasive, with around 20 million Argentinians identifying with Spanish roots.
German communities add to the European mix, representing about 3 million of the population.
Notably, Lebanese and Syrian ancestries are prominent, totaling approximately 3.5 million, highlighting the Middle Eastern influence on Argentine society.

France and Germany: Roots Tied Abroad

Algerian (4-5 million), Moroccan (3.5 million), and Tunisian (1.2 million) populations form significant communities in France, stemming from historical migration and colonial ties.
Germany’s diaspora includes Turkish (3 million), Polish (2 million), and Russian (3-4 million) residents, contributing diversity and cultural richness.

United Kingdom & Canadian Diversity

The UK’s sizable diaspora includes Indian (1.9 million), Pakistani (1.6 million), and Bangladeshi (0.7 million) individuals, reflecting ongoing migration patterns.
Canada’s multicultural fabric includes Ukrainian (1.4 million), Indian (1.9 million), Chinese (1.7 million), Filipino (1 million), and Italian (1.6 million) Canadians.

Australia’s Expanding Ethnic Mosaic

The British diaspora is the largest, with around 18 million Australians of UK descent.
Australia also hosts Indian (0.9 million), Chinese (1.4 million), Italian (1 million), and Greek (0.4 million) communities, reflecting its diverse immigrant history.

Asian Nations: Notable Diasporas

Indonesia, Malaysia, and Singapore have large Chinese communities, with 8 million, 7 million, and 4 million Chinese ethnicities, respectively.
Thailand’s Chinese population totals approximately 9 million, highlighting significant migration and settlement.
Iran’s Azeri population is estimated at 15 to 18 million, particularly in Azerbaijan and Iran’s northwest.
Turkey’s Kurdish population is around 15 million, spread across Turkey, Iraq, Syria, and Iran.

Eastern Europe & Russia: Diverse Ancestral Ties

Russia’s Ukrainian ancestors number about 3 million, frequently interwoven through migratory flows.
Tatars and other ethnicities contribute to Russia’s rich tapestry, with approximately 5 million Tatars alone.
The Baltic nations’ populations reflect old migration patterns, with significant communities of Polish, Russian, and German descent.

Middle Eastern and North African Roots

Lebanese, Syrian, and Palestinian communities have migrated extensively, notably in Brazil, Argentina, and Middle Eastern countries, with populations ranging from hundreds of thousands to millions.
Saudi and Emirati populations of South Asian origin are substantial, with around 2-3.5 million people in the Gulf countries of Indian, Pakistani, and Bangladeshi ancestries.

Oceania: A Microcosm of Origins

New Zealand predominantly has UK roots (large majority), with Pacific Islanders (Samoan, Fijian) making up a notable minority.
Mauritius boasts a remarkable 70% of its population of Indian origin, representing migration and settlement from the Indian subcontinent.

Final Thoughts

The global migration narrative continues to shape cultural identities worldwide. Countries like Brazil, the United States, Argentina, and France showcase the profound influence of their diverse populations living outside their original homelands. These demographics not only reflect historical migration patterns but also ongoing geopolitical and economic shifts that will continue to influence the world’s multicultural fabric.