| Country | Population | PwMS | Per 100k |
| Scotland | 5,168,500 | 10,500 | 190.0 |
| N. Ireland | 1,993,918 | 3,349 | 168.2 |
| England & Wales | 54,450,600 | 100,000 | 110.0 |
|
Source: McAlpine's multiple sclerosis 2005
| Country | Population | PwMS | Per 100k |
| UK | 61,634,599 | 85,000 | 143.8 |
| Sweden | 9,292,359 | 12,000 | 134.8 |
| Ireland | 4,422,100 | 4,500 | 125.0 |
| Denmark | 5,519,441 | 6,000 | 112.0 |
| Canada | 33,776,000 | 35,000 | 110.0 |
| Iceland | 319,246 | 285 | 105.1 |
| Germany | 82,046,000 | 110,000 | 99.0 |
| Finland | 5,345,032 | 5,000 | 98.0 |
| Czech Republic | 10,467,542 | 10,000 | 97.1 |
| Netherlands | 16,538,435 | 15,000 | 94.9 |
| Luxembourg | 493,500 | 400 | 94.1 |
| USA | 307,371,000 | 250,000 | 91.7 |
| Italy | 60,088,880 | 50,000 | 88.2 |
| Belgium | 10,754,528 | 8,900 | 87.5 |
| Norway | 4,835,915 | 3,800 | 86.4 |
| Austria | 8,355,260 | 7,000 | 86.4 |
| France | 65,073,482 | 50,000 | 84.9 |
| New Zealand | 4,323,000 | 3,000 | 81.3 |
| Israel | 7,446,700 | 4,500 | 80.4 |
| Poland | 34,895,000 | 30,000 | 77.1 |
| Spain | 45,929,476 | 30,000 | 76.7 |
|
Source: The Multiple Sclerosis Information Trust
Last edited March 2010. ©Terence Wilson MMIX