| Former citizenship | Total1 | Duration of stay from ,,, to under ,,, years | Average duration of stay in years | ||||
|---|---|---|---|---|---|---|---|
| under 5 | 5 to 9 | 9 to 15 | 15 to 20 | 20 and over | |||
1: Only with residence in the territory of the Federal Republic. Source: Naturalisation statistics. | |||||||
| Total | 284,490 | 21,765 | 124,605 | 78,375 | 16,685 | 43,055 | 11.8 |
| Europe | 106,675 | 4,410 | 26,435 | 29,125 | 10,990 | 35,720 | 16.9 |
| EU–European Union | 36,065 | 1,510 | 8,900 | 13,540 | 2,750 | 9,360 | 16.3 |
| Bulgaria | 2,840 | 145 | 905 | 1,465 | 175 | 145 | 10.2 |
| Greece | 2,800 | 90 | 545 | 755 | 105 | 1,305 | 21.8 |
| Italy | 4,285 | 105 | 585 | 695 | 240 | 2,660 | 27.6 |
| Poland | 6,140 | 185 | 1,225 | 2,670 | 915 | 1,140 | 13.9 |
| Romania | 8,640 | 510 | 3,210 | 4,255 | 385 | 280 | 9.5 |
| Other Europe | 70,610 | 2,900 | 17,535 | 15,585 | 8,240 | 26,360 | 17.2 |
| Kosovo | 7,480 | 445 | 1,800 | 1,630 | 1,215 | 2,390 | 15.4 |
| Russian Federation | 12,965 | 345 | 2,885 | 4,045 | 2,190 | 3,500 | 14.5 |
| Serbia | 4,675 | 165 | 960 | 990 | 690 | 1,870 | 18.9 |
| Turkey | 22,515 | 485 | 4,165 | 2,380 | 1,975 | 13,510 | 23.1 |
| Ukraine | 8,915 | 460 | 3,020 | 2,935 | 960 | 1,540 | 11.9 |
| Africa | 22,130 | 2,360 | 8,800 | 7,870 | 1,390 | 1,710 | 9.9 |
| Egypt | 3,670 | 440 | 1,875 | 1,170 | 95 | 90 | 8.2 |
| America | 7,500 | 515 | 3,060 | 2,260 | 595 | 1,065 | 12.1 |
| United Kingdom | 1,270 | 65 | 325 | 270 | 115 | 490 | 20.7 |
| Asia | 142,040 | 13,890 | 82,785 | 37,465 | 3,590 | 4,305 | 8.3 |
| Afghanistan | 10,095 | 705 | 5,010 | 3,790 | 250 | 340 | 8.9 |
| Iraq | 13,545 | 1,090 | 7,685 | 3,690 | 640 | 440 | 8.7 |
| Iran | 8,245 | 555 | 5,130 | 2,150 | 150 | 260 | 8.4 |
| Pakistan | 5,000 | 590 | 1,935 | 2,035 | 190 | 255 | 9.2 |
| Syria | 83,185 | 9,275 | 54,920 | 18,345 | 300 | 350 | 7.4 |
| Australia and Oceania | 175 | 5 | 60 | 55 | 20 | 40 | 14.6 |
| Stateless, unsettled or unknown | 5,970 | 585 | 3,470 | 1,600 | 100 | 215 | 8.3 |
As at 04 July 2025