8,076 people named Brennan work outside their country of origin. Most are in United Kingdom, United States, Australia.
| Country | People |
|---|---|
| United Kingdom | 2,237 |
| United States | 1,887 |
| Australia | 638 |
| Canada | 431 |
| Ireland | 346 |
| France | 327 |
| Germany | 262 |
| Switzerland | 262 |
| Netherlands | 227 |
| Spain | 194 |
| Belgium | 89 |
| Italy | 89 |
| New Zealand | 81 |
| Sweden | 79 |
| India | 76 |
| Japan | 66 |
| South Africa | 51 |
| Denmark | 50 |
| United Arab Emirates | 49 |
| Finland | 41 |
| Singapore | 38 |
| Norway | 38 |
| China | 35 |
| Brazil | 30 |
| Austria | 29 |
| Hong Kong | 28 |
| Israel | 20 |
| Hungary | 17 |
| Russian Federation | 17 |
| Saudi Arabia | 17 |
| Czechia | 17 |
| Poland | 15 |
| Mexico | 14 |
| Bermuda | 14 |
| Portugal | 12 |
| Philippines | 11 |
| Thailand | 11 |
| Luxembourg | 11 |
| Taiwan | 10 |
| Jersey | 9 |
| Qatar | 8 |
| Chile | 8 |
| Argentina | 8 |
| Türkiye | 7 |
| Vietnam | 7 |
| Malta | 7 |
| Peru | 7 |
| Romania | 6 |
| Bahrain | 6 |
| Egypt | 6 |
| Cayman Islands | 6 |
| Virgin Islands, British | 6 |
| Papua New Guinea | 6 |
| Colombia | 5 |
| Pakistan | 5 |
| Greece | 5 |
| Bangladesh | 5 |
| Other | 93 |
| Country of origin | People |
|---|---|
| Ireland | 2,532 |
| United States | 2,222 |
| United Kingdom | 1,668 |
| Australia | 665 |
| Canada | 437 |
| India | 126 |
| New Zealand | 87 |
| South Africa | 34 |
| Argentina | 29 |
| France | 23 |
| Italy | 16 |
| Sri Lanka | 15 |
| Philippines | 15 |
| Singapore | 12 |
| Japan | 12 |
| China | 11 |
| Switzerland | 11 |
| Poland | 10 |
| Russian Federation | 9 |
| Bermuda | 9 |
| Netherlands | 7 |
| Germany | 7 |
| Denmark | 7 |
| Belgium | 6 |
| Zimbabwe | 6 |
| Jamaica | 5 |
| Isle of Man | 5 |
| Spain | 5 |
| Other | 85 |
| Industry | People |
|---|---|
| Other / unknown | 7,588 |
| Professional and scientific | 68 |
| Construction | 50 |
| Real estate | 42 |
| Wholesale and retail trade | 37 |
| Finance and insurance | 36 |
| Information and communication | 33 |
| Manufacturing | 32 |
| Other services | 27 |
| Health and social work | 26 |
| Administrative and support | 22 |
| Transport and storage | 20 |
| Households | 18 |
| Arts and recreation | 18 |
| Electricity, gas and steam | 17 |
| Accommodation and food | 17 |
| Education | 13 |
| Extraterritorial organisations | 7 |
| Other | 5 |
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.