3.3 million adult Americans (NIMH); 2.3% adults (NIMH); 1 in 50 people (NWHIC); 2.4% adults (USSG)
| Country/Region | Extrapolated Prevalence | Population Estimated Used |
| Obsessive-compulsive disorder in North America (Extrapolated Statistics) |
| USA | 3,562,730 | 293,655,4051 |
| Canada | 394,396 WARNING! (Details) | 32,507,8742 |
| Mexico | 1,273,406 WARNING! (Details) | 104,959,5942 |
| Obsessive-compulsive disorder in Central America (Extrapolated Statistics) |
| Belize | 3,311 WARNING! (Details) | 272,9452 |
| Guatemala | 173,257 WARNING! (Details) | 14,280,5962 |
| Nicaragua | 65,026 WARNING! (Details) | 5,359,7592 |
| Obsessive-compulsive disorder in Caribbean (Extrapolated Statistics) |
| Puerto Rico | 47,291 WARNING! (Details) | 3,897,9602 |
| Obsessive-compulsive disorder in South America (Extrapolated Statistics) |
| Brazil | 2,233,579 WARNING! (Details) | 184,101,1092 |
| Chile | 191,981 WARNING! (Details) | 15,823,9572 |
| Colombia | 513,329 WARNING! (Details) | 42,310,7752 |
| Paraguay | 75,115 WARNING! (Details) | 6,191,3682 |
| Peru | 334,177 WARNING! (Details) | 27,544,3052 |
| Venezuela | 303,519 WARNING! (Details) | 25,017,3872 |
| Obsessive-compulsive disorder in Northern Europe (Extrapolated Statistics) |
| Denmark | 65,677 WARNING! (Details) | 5,413,3922 |
| Finland | 63,264 WARNING! (Details) | 5,214,5122 |
| Iceland | 3,566 WARNING! (Details) | 293,9662 |
| Sweden | 109,026 WARNING! (Details) | 8,986,4002 |
| Obsessive-compulsive disorder in Western Europe (Extrapolated Statistics) |
| Britain (United Kingdom) | 731,225 WARNING! (Details) | 60,270,708 for UK2 |
| Belgium | 125,548 WARNING! (Details) | 10,348,2762 |
| France | 733,087 WARNING! (Details) | 60,424,2132 |
| Ireland | 48,160 WARNING! (Details) | 3,969,5582 |
| Luxembourg | 5,613 WARNING! (Details) | 462,6902 |
| Monaco | 391 WARNING! (Details) | 32,2702 |
| Netherlands (Holland) | 197,978 WARNING! (Details) | 16,318,1992 |
| United Kingdom | 731,225 WARNING! (Details) | 60,270,7082 |
| Wales | 35,402 WARNING! (Details) | 2,918,0002 |
| Obsessive-compulsive disorder in Central Europe (Extrapolated Statistics) |
| Austria | 99,179 WARNING! (Details) | 8,174,7622 |
| Czech Republic | 15,119 WARNING! (Details) | 1,0246,1782 |
| Germany | 1,000,000 WARNING! (Details) | 82,424,6092 |
| Hungary | 121,716 WARNING! (Details) | 10,032,3752 |
| Liechtenstein | 405 WARNING! (Details) | 33,4362 |
| Poland | 468,628 WARNING! (Details) | 38,626,3492 |
| Slovakia | 65,800 WARNING! (Details) | 5,423,5672 |
| Slovenia | 24,403 WARNING! (Details) | 2,011,473 2 |
| Switzerland | 90,396 WARNING! (Details) | 7,450,8672 |
| Obsessive-compulsive disorder in Eastern Europe (Extrapolated Statistics) |
| Belarus | 125,090 WARNING! (Details) | 10,310,5202 |
| Estonia | 16,277 WARNING! (Details) | 1,341,6642 |
| Latvia | 27,980 WARNING! (Details) | 2,306,3062 |
| Lithuania | 43,772 WARNING! (Details) | 3,607,8992 |
| Russia | 1,746,744 WARNING! (Details) | 143,974,0592 |
| Ukraine | 579,102 WARNING! (Details) | 47,732,0792 |
| Obsessive-compulsive disorder in the Southwestern Europe (Extrapolated Statistics) |
| Azerbaijan | 95,462 WARNING! (Details) | 7,868,3852 |
| Georgia | 56,947 WARNING! (Details) | 4,693,8922 |
| Portugal | 127,682 WARNING! (Details) | 10,524,1452 |
| Spain | 488,700 WARNING! (Details) | 40,280,7802 |
| Obsessive-compulsive disorder in Southern Europe (Extrapolated Statistics) |
| Greece | 129,179 WARNING! (Details) | 10,647,5292 |
| Italy | 704,373 WARNING! (Details) | 58,057,4772 |
| Obsessive-compulsive disorder in the Southeastern Europe (Extrapolated Statistics) |
| Albania | 43,006 WARNING! (Details) | 3,544,8082 |
| Bosnia and Herzegovina | 4,945 WARNING! (Details) | 407,6082 |
| Bulgaria | 91,210 WARNING! (Details) | 7,517,9732 |
| Croatia | 54,557 WARNING! (Details) | 4,496,8692 |
| Macedonia | 24,751 WARNING! (Details) | 2,040,0852 |
| Romania | 271,225 WARNING! (Details) | 22,355,5512 |
| Serbia and Montenegro | 131,343 WARNING! (Details) | 10,825,9002 |
| Obsessive-compulsive disorder in Northern Asia (Extrapolated Statistics) |
| Mongolia | 33,379 WARNING! (Details) | 2,751,3142 |
| Obsessive-compulsive disorder in Central Asia (Extrapolated Statistics) |
| Kazakhstan | 183,728 WARNING! (Details) | 15,143,7042 |
| Tajikistan | 85,066 WARNING! (Details) | 7,011,556 2 |
| Uzbekistan | 320,420 WARNING! (Details) | 26,410,4162 |
| Obsessive-compulsive disorder in Eastern Asia (Extrapolated Statistics) |
| China | 15,758,077 WARNING! (Details) | 1,298,847,6242 |
| Hong Kong s.a.r. | 83,168 WARNING! (Details) | 6,855,1252 |
| Japan | 1,544,848 WARNING! (Details) | 127,333,0022 |
| Macau s.a.r. | 5,402 WARNING! (Details) | 445,2862 |
| North Korea | 275,374 WARNING! (Details) | 22,697,5532 |
| South Korea | 585,188 WARNING! (Details) | 48,233,7602 |
| Taiwan | 276,009 WARNING! (Details) | 22,749,8382 |
| Obsessive-compulsive disorder in Southwestern Asia (Extrapolated Statistics) |
| Turkey | 835,845 WARNING! (Details) | 68,893,9182 |
| Obsessive-compulsive disorder in Southern Asia (Extrapolated Statistics) |
| Afghanistan | 345,937 WARNING! (Details) | 28,513,6772 |
| Bangladesh | 1,714,792 WARNING! (Details) | 141,340,4762 |
| Bhutan | 26,516 WARNING! (Details) | 2,185,5692 |
| India | 12,921,812 WARNING! (Details) | 1,065,070,6072 |
| Pakistan | 1,931,426 WARNING! (Details) | 159,196,3362 |
| Sri Lanka | 241,496 WARNING! (Details) | 19,905,1652 |
| Obsessive-compulsive disorder in Southeastern Asia (Extrapolated Statistics) |
| East Timor | 12,365 WARNING! (Details) | 1,019,2522 |
| Indonesia | 2,892,995 WARNING! (Details) | 238,452,9522 |
| Laos | 73,620 WARNING! (Details) | 6,068,1172 |
| Malaysia | 285,383 WARNING! (Details) | 23,522,4822 |
| Philippines | 1,046,314 WARNING! (Details) | 86,241,6972 |
| Singapore | 52,822 WARNING! (Details) | 4,353,8932 |
| Thailand | 786,971 WARNING! (Details) | 64,865,5232 |
| Vietnam | 1,002,894 WARNING! (Details) | 82,662,8002 |
| Obsessive-compulsive disorder in the Middle East (Extrapolated Statistics) |
| Gaza strip | 16,075 WARNING! (Details) | 1,324,9912 |
| Iran | 818,972 WARNING! (Details) | 67,503,2052 |
| Iraq | 307,854 WARNING! (Details) | 25,374,6912 |
| Israel | 75,208 WARNING! (Details) | 6,199,0082 |
| Jordan | 68,077 WARNING! (Details) | 5,611,2022 |
| Kuwait | 27,389 WARNING! (Details) | 2,257,5492 |
| Lebanon | 45,826 WARNING! (Details) | 3,777,2182 |
| Saudi Arabia | 312,965 WARNING! (Details) | 25,795,9382 |
| Syria | 218,587 WARNING! (Details) | 18,016,8742 |
| United Arab Emirates | 30,621 WARNING! (Details) | 2,523,9152 |
| West Bank | 28,040 WARNING! (Details) | 2,311,2042 |
| Yemen | 242,948 WARNING! (Details) | 20,024,8672 |
| Obsessive-compulsive disorder in Northern Africa (Extrapolated Statistics) |
| Egypt | 923,483 WARNING! (Details) | 76,117,4212 |
| Libya | 68,324 WARNING! (Details) | 5,631,5852 |
| Sudan | 474,959 WARNING! (Details) | 39,148,1622 |
| Obsessive-compulsive disorder in Western Africa (Extrapolated Statistics) |
| Congo Brazzaville | 36,373 WARNING! (Details) | 2,998,0402 |
| Ghana | 251,831 WARNING! (Details) | 20,757,0322 |
| Liberia | 41,136 WARNING! (Details) | 3,390,6352 |
| Niger | 137,830 WARNING! (Details) | 11,360,5382 |
| Nigeria | 215,353 WARNING! (Details) | 12,5750,3562 |
| Senegal | 131,662 WARNING! (Details) | 10,852,1472 |
| Sierra leone | 71,385 WARNING! (Details) | 5,883,8892 |
| Obsessive-compulsive disorder in Central Africa (Extrapolated Statistics) |
| Central African Republic | 45,405 WARNING! (Details) | 3,742,4822 |
| Chad | 115,724 WARNING! (Details) | 9,538,5442 |
| Congo kinshasa | 707,522 WARNING! (Details) | 58,317,0302 |
| Rwanda | 99,954 WARNING! (Details) | 8,238,6732 |
| Obsessive-compulsive disorder in Eastern Africa (Extrapolated Statistics) |
| Ethiopia | 865,480 WARNING! (Details) | 71,336,5712 |
| Kenya | 400,150 WARNING! (Details) | 32,982,1092 |
| Somalia | 100,754 WARNING! (Details) | 8,304,6012 |
| Tanzania | 437,623 WARNING! (Details) | 36,070,7992 |
| Uganda | 320,175 WARNING! (Details) | 26,390,2582 |
| Obsessive-compulsive disorder in Southern Africa (Extrapolated Statistics) |
| Angola | 133,195 WARNING! (Details) | 10,978,5522 |
| Botswana | 19,887 WARNING! (Details) | 1,639,2312 |
| South Africa | 539,264 WARNING! (Details) | 44,448,4702 |
| Swaziland | 14,185 WARNING! (Details) | 1,169,2412 |
| Zambia | 133,767 WARNING! (Details) | 11,025,6902 |
| Zimbabwe | 44,548 WARNING! (Details) | 1,2671,8602 |
| Obsessive-compulsive disorder in Oceania (Extrapolated Statistics) |
| Australia | 241,593 WARNING! (Details) | 19,913,1442 |
| New Zealand | 48,454 WARNING! (Details) | 3,993,8172 |
| Papua New Guinea | 65,760 WARNING! (Details) | 5,420,2802 |
| Country/Region | Extrapolated Incidence | Population Estimated Used |
| Obsessive-compulsive disorder in North America (Extrapolated Statistics) |
| USA | 6,754,074 | 293,655,4051 |
| Canada | 747,681 WARNING! (Details) | 32,507,8742 |
| Mexico | 2,414,070 WARNING! (Details) | 104,959,5942 |
| Obsessive-compulsive disorder in Central America (Extrapolated Statistics) |
| Belize | 6,277 WARNING! (Details) | 272,9452 |
| Guatemala | 328,453 WARNING! (Details) | 14,280,5962 |
| Nicaragua | 123,274 WARNING! (Details) | 5,359,7592 |
| Obsessive-compulsive disorder in Caribbean (Extrapolated Statistics) |
| Puerto Rico | 89,653 WARNING! (Details) | 3,897,9602 |
| Obsessive-compulsive disorder in South America (Extrapolated Statistics) |
| Brazil | 4,234,325 WARNING! (Details) | 184,101,1092 |
| Chile | 363,951 WARNING! (Details) | 15,823,9572 |
| Colombia | 973,147 WARNING! (Details) | 42,310,7752 |
| Paraguay | 142,401 WARNING! (Details) | 6,191,3682 |
| Peru | 633,519 WARNING! (Details) | 27,544,3052 |
| Venezuela | 575,399 WARNING! (Details) | 25,017,3872 |
| Obsessive-compulsive disorder in Northern Europe (Extrapolated Statistics) |
| Denmark | 124,508 WARNING! (Details) | 5,413,3922 |
| Finland | 119,933 WARNING! (Details) | 5,214,5122 |
| Iceland | 6,761 WARNING! (Details) | 293,9662 |
| Sweden | 206,687 WARNING! (Details) | 8,986,4002 |
| Obsessive-compulsive disorder in Western Europe (Extrapolated Statistics) |
| Britain (United Kingdom) | 1,386,226 WARNING! (Details) | 60,270,708 for UK2 |
| Belgium | 238,010 WARNING! (Details) | 10,348,2762 |
| France | 1,389,756 WARNING! (Details) | 60,424,2132 |
| Ireland | 91,299 WARNING! (Details) | 3,969,5582 |
| Luxembourg | 10,641 WARNING! (Details) | 462,6902 |
| Monaco | 742 WARNING! (Details) | 32,2702 |
| Netherlands (Holland) | 375,318 WARNING! (Details) | 16,318,1992 |
| United Kingdom | 1,386,226 WARNING! (Details) | 60,270,7082 |
| Wales | 67,113 WARNING! (Details) | 2,918,0002 |
| Obsessive-compulsive disorder in Central Europe (Extrapolated Statistics) |
| Austria | 188,019 WARNING! (Details) | 8,174,7622 |
| Czech Republic | 28,662 WARNING! (Details) | 1,0246,1782 |
| Germany | 1,895,765 WARNING! (Details) | 82,424,6092 |
| Hungary | 230,744 WARNING! (Details) | 10,032,3752 |
| Liechtenstein | 769 WARNING! (Details) | 33,4362 |
| Poland | 888,406 WARNING! (Details) | 38,626,3492 |
| Slovakia | 124,742 WARNING! (Details) | 5,423,5672 |
| Slovenia | 46,263 WARNING! (Details) | 2,011,473 2 |
| Switzerland | 171,369 WARNING! (Details) | 7,450,8672 |
| Obsessive-compulsive disorder in Eastern Europe (Extrapolated Statistics) |
| Belarus | 237,141 WARNING! (Details) | 10,310,5202 |
| Estonia | 30,858 WARNING! (Details) | 1,341,6642 |
| Latvia | 53,045 WARNING! (Details) | 2,306,3062 |
| Lithuania | 82,981 WARNING! (Details) | 3,607,8992 |
| Russia | 3,311,403 WARNING! (Details) | 143,974,0592 |
| Ukraine | 1,097,837 WARNING! (Details) | 47,732,0792 |
| Obsessive-compulsive disorder in the Southwestern Europe (Extrapolated Statistics) |
| Azerbaijan | 180,972 WARNING! (Details) | 7,868,3852 |
| Portugal | 242,055 WARNING! (Details) | 10,524,1452 |
| Spain | 926,457 WARNING! (Details) | 40,280,7802 |
| Georgia | 107,959 WARNING! (Details) | 4,693,8922 |
| Obsessive-compulsive disorder in the Southern Europe (Extrapolated Statistics) |
| Italy | 1,335,321 WARNING! (Details) | 58,057,4772 |
| Greece | 244,893 WARNING! (Details) | 10,647,5292 |
| Obsessive-compulsive disorder in the Southeastern Europe (Extrapolated Statistics) |
| Albania | 81,530 WARNING! (Details) | 3,544,8082 |
| Bosnia and Herzegovina | 9,374 WARNING! (Details) | 407,6082 |
| Bulgaria | 172,913 WARNING! (Details) | 7,517,9732 |
| Croatia | 103,427 WARNING! (Details) | 4,496,8692 |
| Macedonia | 46,921 WARNING! (Details) | 2,040,0852 |
| Romania | 514,177 WARNING! (Details) | 22,355,5512 |
| Serbia and Montenegro | 248,995 WARNING! (Details) | 10,825,9002 |
| Obsessive-compulsive disorder in Northern Asia (Extrapolated Statistics) |
| Mongolia | 63,280 WARNING! (Details) | 2,751,3142 |
| Obsessive-compulsive disorder in Central Asia (Extrapolated Statistics) |
| Kazakhstan | 348,305 WARNING! (Details) | 15,143,7042 |
| Tajikistan | 161,265 WARNING! (Details) | 7,011,556 2 |
| Uzbekistan | 607,439 WARNING! (Details) | 26,410,4162 |
| Obsessive-compulsive disorder in Eastern Asia (Extrapolated Statistics) |
| China | 29,873,494 WARNING! (Details) | 1,298,847,6242 |
| Hong Kong s.a.r. | 157,667 WARNING! (Details) | 6,855,1252 |
| Japan | 2,928,658 WARNING! (Details) | 127,333,0022 |
| Macau s.a.r. | 10,241 WARNING! (Details) | 445,2862 |
| North Korea | 522,043 WARNING! (Details) | 22,697,5532 |
| South Korea | 1,109,376 WARNING! (Details) | 48,233,7602 |
| Taiwan | 523,246 WARNING! (Details) | 22,749,8382 |
| Obsessive-compulsive disorder in Southwestern Asia (Extrapolated Statistics) |
| Turkey | 1,584,560 WARNING! (Details) | 68,893,9182 |
| Obsessive-compulsive disorder in Southern Asia (Extrapolated Statistics) |
| Afghanistan | 655,814 WARNING! (Details) | 28,513,6772 |
| Bangladesh | 3,250,830 WARNING! (Details) | 141,340,4762 |
| Bhutan | 50,268 WARNING! (Details) | 2,185,5692 |
| India | 24,496,623 WARNING! (Details) | 1,065,070,6072 |
| Pakistan | 3,661,515 WARNING! (Details) | 159,196,3362 |
| Sri Lanka | 457,818 WARNING! (Details) | 19,905,1652 |
| Obsessive-compulsive disorder in Southeastern Asia (Extrapolated Statistics) |
| East Timor | 23,442 WARNING! (Details) | 1,019,2522 |
| Indonesia | 5,484,417 WARNING! (Details) | 238,452,9522 |
| Laos | 139,566 WARNING! (Details) | 6,068,1172 |
| Malaysia | 541,017 WARNING! (Details) | 23,522,4822 |
| Philippines | 1,983,558 WARNING! (Details) | 86,241,6972 |
| Singapore | 100,139 WARNING! (Details) | 4,353,8932 |
| Thailand | 1,491,906 WARNING! (Details) | 64,865,5232 |
| Vietnam | 1,901,244 WARNING! (Details) | 82,662,8002 |
| Obsessive-compulsive disorder in the Middle East (Extrapolated Statistics) |
| Gaza strip | 30,474 WARNING! (Details) | 1,324,9912 |
| Iran | 1,552,573 WARNING! (Details) | 67,503,2052 |
| Iraq | 583,617 WARNING! (Details) | 25,374,6912 |
| Israel | 142,577 WARNING! (Details) | 6,199,0082 |
| Jordan | 129,057 WARNING! (Details) | 5,611,2022 |
| Kuwait | 51,923 WARNING! (Details) | 2,257,5492 |
| Lebanon | 86,876 WARNING! (Details) | 3,777,2182 |
| Saudi Arabia | 593,306 WARNING! (Details) | 25,795,9382 |
| Syria | 414,388 WARNING! (Details) | 18,016,8742 |
| United Arab Emirates | 58,050 WARNING! (Details) | 2,523,9152 |
| West Bank | 53,157 WARNING! (Details) | 2,311,2042 |
| Yemen | 460,571 WARNING! (Details) | 20,024,8672 |
| Obsessive-compulsive disorder in Northern Africa (Extrapolated Statistics) |
| Egypt | 1,750,700 WARNING! (Details) | 76,117,4212 |
| Libya | 129,526 WARNING! (Details) | 5,631,5852 |
| Sudan | 900,407 WARNING! (Details) | 39,148,1622 |
| Obsessive-compulsive disorder in Western Africa (Extrapolated Statistics) |
| Congo Brazzaville | 68,954 WARNING! (Details) | 2,998,0402 |
| Ghana | 477,411 WARNING! (Details) | 20,757,0322 |
| Liberia | 77,984 WARNING! (Details) | 3,390,6352 |
| Niger | 261,292 WARNING! (Details) | 11,360,5382 |
| Nigeria | 408,258 WARNING! (Details) | 12,5750,3562 |
| Senegal | 249,599 WARNING! (Details) | 10,852,1472 |
| Sierra leone | 135,329 WARNING! (Details) | 5,883,8892 |
| Obsessive-compulsive disorder in Central Africa (Extrapolated Statistics) |
| Central African Republic | 86,077 WARNING! (Details) | 3,742,4822 |
| Chad | 219,386 WARNING! (Details) | 9,538,5442 |
| Congo kinshasa | 1,341,291 WARNING! (Details) | 58,317,0302 |
| Rwanda | 189,489 WARNING! (Details) | 8,238,6732 |
| Obsessive-compulsive disorder in Eastern Africa (Extrapolated Statistics) |
| Ethiopia | 1,640,741 WARNING! (Details) | 71,336,5712 |
| Kenya | 758,588 WARNING! (Details) | 32,982,1092 |
| Somalia | 191,005 WARNING! (Details) | 8,304,6012 |
| Tanzania | 829,628 WARNING! (Details) | 36,070,7992 |
| Uganda | 606,975 WARNING! (Details) | 26,390,2582 |
| Obsessive-compulsive disorder in Southern Africa (Extrapolated Statistics) |
| Angola | 252,506 WARNING! (Details) | 10,978,5522 |
| Botswana | 37,702 WARNING! (Details) | 1,639,2312 |
| South Africa | 1,022,314 WARNING! (Details) | 44,448,4702 |
| Swaziland | 26,892 WARNING! (Details) | 1,169,2412 |
| Zambia | 253,590 WARNING! (Details) | 11,025,6902 |
| Zimbabwe | 84,452 WARNING! (Details) | 1,2671,8602 |
| Obsessive-compulsive disorder in Oceania (Extrapolated Statistics) |
| Australia | 458,002 WARNING! (Details) | 19,913,1442 |
| New Zealand | 91,857 WARNING! (Details) | 3,993,8172 |
| Papua New Guinea | 124,666 WARNING! (Details) | 5,420,2802 |
The word 'prevalence' of Obsessive-compulsive disorder usually means the estimated population
of people who are managing Obsessive-compulsive disorder at any given time (i.e. people with Obsessive-compulsive disorder).
The term 'incidence' of Obsessive-compulsive disorder means the annual diagnosis rate,
or the number of new cases of Obsessive-compulsive disorder diagnosed each year (i.e. getting Obsessive-compulsive disorder).
Hence, these two statistics types can differ:
a short disease like flu can have high annual incidence but low prevalence,
but a life-long disease like diabetes has a low annual incidence but high prevalence.
For more information see about prevalence and incidence statistics.