15,472 people named O'Brien work outside their country of origin. Most are in United Kingdom, United States, Australia.
| Country | People |
|---|---|
| United Kingdom | 3,983 |
| United States | 3,619 |
| Australia | 1,284 |
| Canada | 861 |
| France | 625 |
| Ireland | 594 |
| Germany | 586 |
| Switzerland | 498 |
| Netherlands | 446 |
| Spain | 382 |
| New Zealand | 220 |
| India | 170 |
| Sweden | 158 |
| Italy | 156 |
| Belgium | 146 |
| Japan | 131 |
| South Africa | 118 |
| United Arab Emirates | 112 |
| Denmark | 104 |
| Singapore | 94 |
| China | 87 |
| Finland | 83 |
| Hong Kong | 69 |
| Brazil | 61 |
| Norway | 60 |
| Luxembourg | 52 |
| Austria | 37 |
| Mexico | 32 |
| Poland | 32 |
| Israel | 31 |
| Saudi Arabia | 28 |
| Colombia | 24 |
| Bermuda | 24 |
| Hungary | 22 |
| Malaysia | 22 |
| Russian Federation | 21 |
| Czechia | 21 |
| Chile | 20 |
| Portugal | 17 |
| Taiwan | 17 |
| Qatar | 17 |
| Greece | 15 |
| Indonesia | 15 |
| Türkiye | 14 |
| Thailand | 14 |
| Malta | 14 |
| Egypt | 12 |
| Vietnam | 12 |
| Philippines | 12 |
| Argentina | 12 |
| Cayman Islands | 11 |
| Trinidad and Tobago | 10 |
| Sri Lanka | 9 |
| Jamaica | 8 |
| Virgin Islands, British | 8 |
| South Korea | 8 |
| Jordan | 8 |
| Romania | 8 |
| Liechtenstein | 7 |
| Guernsey | 7 |
| Kenya | 7 |
| Isle of Man | 7 |
| Nigeria | 6 |
| Kuwait | 6 |
| Guatemala | 6 |
| Slovenia | 6 |
| Bangladesh | 5 |
| Jersey | 5 |
| Papua New Guinea | 5 |
| Slovakia | 5 |
| Bahrain | 5 |
| Peru | 5 |
| Pakistan | 5 |
| Bolivia | 5 |
| Other | 126 |
| Country of origin | People |
|---|---|
| United States | 4,495 |
| Ireland | 4,327 |
| United Kingdom | 2,908 |
| Australia | 1,525 |
| Canada | 865 |
| New Zealand | 371 |
| India | 251 |
| South Africa | 128 |
| France | 48 |
| Sri Lanka | 37 |
| Netherlands | 27 |
| Germany | 27 |
| Spain | 25 |
| Philippines | 22 |
| Belgium | 21 |
| Thailand | 19 |
| Trinidad and Tobago | 18 |
| Malaysia | 17 |
| Peru | 16 |
| Italy | 15 |
| Jersey | 14 |
| Singapore | 14 |
| Poland | 12 |
| Denmark | 12 |
| Austria | 12 |
| Chile | 12 |
| Argentina | 11 |
| Sweden | 11 |
| Russian Federation | 10 |
| United Arab Emirates | 10 |
| Jamaica | 10 |
| Türkiye | 9 |
| Brazil | 9 |
| Switzerland | 9 |
| China | 9 |
| Bahamas | 8 |
| Taiwan | 8 |
| Hong Kong | 7 |
| Zimbabwe | 7 |
| Isle of Man | 6 |
| Greece | 6 |
| Mexico | 5 |
| Japan | 5 |
| Norway | 5 |
| Nigeria | 5 |
| Virgin Islands, British | 5 |
| Other | 79 |
| Industry | People |
|---|---|
| Other / unknown | 14,743 |
| Professional and scientific | 114 |
| Construction | 92 |
| Information and communication | 68 |
| Real estate | 57 |
| Administrative and support | 51 |
| Wholesale and retail trade | 50 |
| Other services | 42 |
| Finance and insurance | 37 |
| Manufacturing | 36 |
| Households | 27 |
| Arts and recreation | 27 |
| Health and social work | 26 |
| Electricity, gas and steam | 24 |
| Accommodation and food | 20 |
| Education | 20 |
| Extraterritorial organisations | 15 |
| Transport and storage | 10 |
| Agriculture, forestry and fishing | 6 |
| Other | 7 |
Counts of people with this surname recorded in a country other than their country of origin, from company registers, ORCID, VIAF, Wikidata and career records; origin may be recorded or estimated from the name. Groups under 5 people are folded into "Other". Nobody is named on this page.
Aggregate statistics from official company registers, ORCID, VIAF and Wikidata, compiled by compatriots.net · data build v3_20261030. No individual is named on this page. See methodology & privacy.