The following listing is compiled by the International Treasurer of the International Police Association (IPA) and is based on annual reports, submitted each year end, from each IPA national section.
| Country |
Members at 31/12/2010 |
| |
|
| Germany |
57,215 |
| Romania |
60,385 |
| Austria |
32,266 |
| Israel |
22,101 |
| Turkey |
17,414 |
| Switzerland |
15,788 |
| Hellas (Greece) |
13,028 |
| Italy |
12,978 |
| Spain |
11,606 |
| Poland |
9,820 |
| Russian Federation |
9,400 |
| Denmark |
9,116 |
| United Kingdom |
8,898 |
| Belgium |
8,338 |
| Sweden |
8,064 |
| Slovenia |
8,057 |
| Netherlands |
7,350 |
| Ireland |
7,300 |
| USA |
7,215 |
| Croatia |
6,824 |
| Slovakia |
6,319 |
| Bulgaria |
6,000 |
| Ukraine |
4,408 |
| Cyprus |
4,300 |
| Hungary |
4,286 |
| Portugal |
4,112 |
| Lithuania |
3,500 |
| Finland |
3,439 |
| Czech Republic |
3,280 |
| South Africa |
3,230 |
| Norway |
2,645 |
| France |
2,500 |
| Australia |
2,012 |
| Luxembourg |
1,631 |
| Canada |
1,487 |
| Serbia |
1,302 |
| Peru |
1,187 |
| Hong Kong |
1,064 |
| Sri Lanka |
1,058 |
| Moldova |
885 |
| New Zealand |
846 |
| Botswana |
846 |
| Swaziland |
900 |
| Lesotho |
800 |
| Mexico |
756 |
| Mozambique |
735 |
| Pakistan |
550 |
| Brazil |
740 |
| Iceland |
480 |
| Latvia |
400 |
| Gabon |
400 |
| Japan |
357 |
| Mauritius |
300 |
| Monaco |
257 |
| Estonia |
250 |
| San Marino |
250 |
| Kenya |
250 |
| Malta |
228 |
| Gibraltar |
220 |
| Argentina |
180 |
| Andorra |
150 |
| Seychelles |
|
| |
|
| Macau SAR |
474 |
| Bosnia & Herzegovina |
277 |
| Armenia |
124 |
Total membership declared on reports 402,578