1,753 people named Callahan work outside their country of origin. Most are in United Kingdom, United States, Canada.
| Country | People |
|---|---|
| United Kingdom | 428 |
| United States | 165 |
| Canada | 150 |
| France | 116 |
| Germany | 105 |
| Switzerland | 92 |
| Spain | 78 |
| Netherlands | 77 |
| Australia | 75 |
| Ireland | 39 |
| India | 36 |
| Sweden | 35 |
| Japan | 27 |
| Italy | 25 |
| Denmark | 25 |
| Belgium | 23 |
| Brazil | 19 |
| China | 17 |
| South Africa | 17 |
| Finland | 15 |
| Singapore | 12 |
| New Zealand | 11 |
| Mexico | 8 |
| Hungary | 7 |
| Israel | 7 |
| Hong Kong | 7 |
| Norway | 7 |
| United Arab Emirates | 6 |
| Austria | 6 |
| Taiwan | 6 |
| Bermuda | 6 |
| Poland | 5 |
| Luxembourg | 5 |
| Chile | 5 |
| Other | 91 |
| Country of origin | People |
|---|---|
| United States | 1,434 |
| Canada | 99 |
| United Kingdom | 60 |
| Australia | 49 |
| India | 15 |
| New Zealand | 15 |
| France | 8 |
| Germany | 6 |
| Switzerland | 5 |
| Spain | 5 |
| Other | 57 |
| Industry | People |
|---|---|
| Other / unknown | 1,706 |
| Manufacturing | 8 |
| Information and communication | 8 |
| Electricity, gas and steam | 6 |
| Other | 25 |
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.