5-10% women of childbearing age (20-40); 30% of women have some PCOS symptoms (NWHIC).
| Country/Region | Extrapolated Prevalence | Population Estimated Used |
| Polycystic ovary syndrome in North America (Extrapolated Statistics) |
| USA | 7,341,385 | 293,655,4051 |
| Canada | 812,696 WARNING! (Details) | 32,507,8742 |
| Mexico | 2,623,989 WARNING! (Details) | 104,959,5942 |
| Polycystic ovary syndrome in Central America (Extrapolated Statistics) |
| Belize | 6,823 WARNING! (Details) | 272,9452 |
| Guatemala | 357,014 WARNING! (Details) | 14,280,5962 |
| Nicaragua | 133,993 WARNING! (Details) | 5,359,7592 |
| Polycystic ovary syndrome in Caribbean (Extrapolated Statistics) |
| Puerto Rico | 97,449 WARNING! (Details) | 3,897,9602 |
| Polycystic ovary syndrome in South America (Extrapolated Statistics) |
| Brazil | 4,602,527 WARNING! (Details) | 184,101,1092 |
| Chile | 395,598 WARNING! (Details) | 15,823,9572 |
| Colombia | 1,057,769 WARNING! (Details) | 42,310,7752 |
| Paraguay | 154,784 WARNING! (Details) | 6,191,3682 |
| Peru | 688,607 WARNING! (Details) | 27,544,3052 |
| Venezuela | 625,434 WARNING! (Details) | 25,017,3872 |
| Polycystic ovary syndrome in Northern Europe (Extrapolated Statistics) |
| Denmark | 135,334 WARNING! (Details) | 5,413,3922 |
| Finland | 130,362 WARNING! (Details) | 5,214,5122 |
| Iceland | 7,349 WARNING! (Details) | 293,9662 |
| Sweden | 224,660 WARNING! (Details) | 8,986,4002 |
| Polycystic ovary syndrome in Western Europe (Extrapolated Statistics) |
| Britain (United Kingdom) | 1,506,767 WARNING! (Details) | 60,270,708 for UK2 |
| Belgium | 258,706 WARNING! (Details) | 10,348,2762 |
| France | 1,510,605 WARNING! (Details) | 60,424,2132 |
| Ireland | 99,238 WARNING! (Details) | 3,969,5582 |
| Luxembourg | 11,567 WARNING! (Details) | 462,6902 |
| Monaco | 806 WARNING! (Details) | 32,2702 |
| Netherlands (Holland) | 407,954 WARNING! (Details) | 16,318,1992 |
| United Kingdom | 1,506,767 WARNING! (Details) | 60,270,7082 |
| Wales | 72,950 WARNING! (Details) | 2,918,0002 |
| Polycystic ovary syndrome in Central Europe (Extrapolated Statistics) |
| Austria | 204,369 WARNING! (Details) | 8,174,7622 |
| Czech Republic | 31,154 WARNING! (Details) | 1,0246,1782 |
| Germany | 2,060,615 WARNING! (Details) | 82,424,6092 |
| Hungary | 250,809 WARNING! (Details) | 10,032,3752 |
| Liechtenstein | 835 WARNING! (Details) | 33,4362 |
| Poland | 965,658 WARNING! (Details) | 38,626,3492 |
| Slovakia | 135,589 WARNING! (Details) | 5,423,5672 |
| Slovenia | 50,286 WARNING! (Details) | 2,011,473 2 |
| Switzerland | 186,271 WARNING! (Details) | 7,450,8672 |
| Polycystic ovary syndrome in Eastern Europe (Extrapolated Statistics) |
| Belarus | 257,763 WARNING! (Details) | 10,310,5202 |
| Estonia | 33,541 WARNING! (Details) | 1,341,6642 |
| Latvia | 57,657 WARNING! (Details) | 2,306,3062 |
| Lithuania | 90,197 WARNING! (Details) | 3,607,8992 |
| Russia | 3,599,351 WARNING! (Details) | 143,974,0592 |
| Ukraine | 1,193,301 WARNING! (Details) | 47,732,0792 |
| Polycystic ovary syndrome in the Southwestern Europe (Extrapolated Statistics) |
| Azerbaijan | 196,709 WARNING! (Details) | 7,868,3852 |
| Georgia | 117,347 WARNING! (Details) | 4,693,8922 |
| Portugal | 263,103 WARNING! (Details) | 10,524,1452 |
| Spain | 1,007,019 WARNING! (Details) | 40,280,7802 |
| Polycystic ovary syndrome in Southern Europe (Extrapolated Statistics) |
| Greece | 266,188 WARNING! (Details) | 10,647,5292 |
| Italy | 1,451,436 WARNING! (Details) | 58,057,4772 |
| Polycystic ovary syndrome in the Southeastern Europe (Extrapolated Statistics) |
| Albania | 88,620 WARNING! (Details) | 3,544,8082 |
| Bosnia and Herzegovina | 10,190 WARNING! (Details) | 407,6082 |
| Bulgaria | 187,949 WARNING! (Details) | 7,517,9732 |
| Croatia | 112,421 WARNING! (Details) | 4,496,8692 |
| Macedonia | 51,002 WARNING! (Details) | 2,040,0852 |
| Romania | 558,888 WARNING! (Details) | 22,355,5512 |
| Serbia and Montenegro | 270,647 WARNING! (Details) | 10,825,9002 |
| Polycystic ovary syndrome in Northern Asia (Extrapolated Statistics) |
| Mongolia | 68,782 WARNING! (Details) | 2,751,3142 |
| Polycystic ovary syndrome in Central Asia (Extrapolated Statistics) |
| Kazakhstan | 378,592 WARNING! (Details) | 15,143,7042 |
| Tajikistan | 175,288 WARNING! (Details) | 7,011,556 2 |
| Uzbekistan | 660,260 WARNING! (Details) | 26,410,4162 |
| Polycystic ovary syndrome in Eastern Asia (Extrapolated Statistics) |
| China | 32,471,190 WARNING! (Details) | 1,298,847,6242 |
| Hong Kong s.a.r. | 171,378 WARNING! (Details) | 6,855,1252 |
| Japan | 3,183,325 WARNING! (Details) | 127,333,0022 |
| Macau s.a.r. | 11,132 WARNING! (Details) | 445,2862 |
| North Korea | 567,438 WARNING! (Details) | 22,697,5532 |
| South Korea | 1,205,844 WARNING! (Details) | 48,233,7602 |
| Taiwan | 568,745 WARNING! (Details) | 22,749,8382 |
| Polycystic ovary syndrome in Southwestern Asia (Extrapolated Statistics) |
| Turkey | 1,722,347 WARNING! (Details) | 68,893,9182 |
| Polycystic ovary syndrome in Southern Asia (Extrapolated Statistics) |
| Afghanistan | 712,841 WARNING! (Details) | 28,513,6772 |
| Bangladesh | 3,533,511 WARNING! (Details) | 141,340,4762 |
| Bhutan | 54,639 WARNING! (Details) | 2,185,5692 |
| India | 26,626,765 WARNING! (Details) | 1,065,070,6072 |
| Pakistan | 3,979,908 WARNING! (Details) | 159,196,3362 |
| Sri Lanka | 497,629 WARNING! (Details) | 19,905,1652 |
| Polycystic ovary syndrome in Southeastern Asia (Extrapolated Statistics) |
| East Timor | 25,481 WARNING! (Details) | 1,019,2522 |
| Indonesia | 5,961,323 WARNING! (Details) | 238,452,9522 |
| Laos | 151,702 WARNING! (Details) | 6,068,1172 |
| Malaysia | 588,062 WARNING! (Details) | 23,522,4822 |
| Philippines | 2,156,042 WARNING! (Details) | 86,241,6972 |
| Singapore | 108,847 WARNING! (Details) | 4,353,8932 |
| Thailand | 1,621,638 WARNING! (Details) | 64,865,5232 |
| Vietnam | 2,066,570 WARNING! (Details) | 82,662,8002 |
| Polycystic ovary syndrome in the Middle East (Extrapolated Statistics) |
| Gaza strip | 33,124 WARNING! (Details) | 1,324,9912 |
| Iran | 1,687,580 WARNING! (Details) | 67,503,2052 |
| Iraq | 634,367 WARNING! (Details) | 25,374,6912 |
| Israel | 154,975 WARNING! (Details) | 6,199,0082 |
| Jordan | 140,280 WARNING! (Details) | 5,611,2022 |
| Kuwait | 56,438 WARNING! (Details) | 2,257,5492 |
| Lebanon | 94,430 WARNING! (Details) | 3,777,2182 |
| Saudi Arabia | 644,898 WARNING! (Details) | 25,795,9382 |
| Syria | 450,421 WARNING! (Details) | 18,016,8742 |
| United Arab Emirates | 63,097 WARNING! (Details) | 2,523,9152 |
| West Bank | 57,780 WARNING! (Details) | 2,311,2042 |
| Yemen | 500,621 WARNING! (Details) | 20,024,8672 |
| Polycystic ovary syndrome in Northern Africa (Extrapolated Statistics) |
| Egypt | 1,902,935 WARNING! (Details) | 76,117,4212 |
| Libya | 140,789 WARNING! (Details) | 5,631,5852 |
| Sudan | 978,704 WARNING! (Details) | 39,148,1622 |
| Polycystic ovary syndrome in Western Africa (Extrapolated Statistics) |
| Congo Brazzaville | 74,951 WARNING! (Details) | 2,998,0402 |
| Ghana | 518,925 WARNING! (Details) | 20,757,0322 |
| Liberia | 84,765 WARNING! (Details) | 3,390,6352 |
| Niger | 284,013 WARNING! (Details) | 11,360,5382 |
| Nigeria | 443,758 WARNING! (Details) | 12,5750,3562 |
| Senegal | 271,303 WARNING! (Details) | 10,852,1472 |
| Sierra leone | 147,097 WARNING! (Details) | 5,883,8892 |
| Polycystic ovary syndrome in Central Africa (Extrapolated Statistics) |
| Central African Republic | 93,562 WARNING! (Details) | 3,742,4822 |
| Chad | 238,463 WARNING! (Details) | 9,538,5442 |
| Congo kinshasa | 1,457,925 WARNING! (Details) | 58,317,0302 |
| Rwanda | 205,966 WARNING! (Details) | 8,238,6732 |
| Polycystic ovary syndrome in Eastern Africa (Extrapolated Statistics) |
| Ethiopia | 1,783,414 WARNING! (Details) | 71,336,5712 |
| Kenya | 824,552 WARNING! (Details) | 32,982,1092 |
| Somalia | 207,615 WARNING! (Details) | 8,304,6012 |
| Tanzania | 901,769 WARNING! (Details) | 36,070,7992 |
| Uganda | 659,756 WARNING! (Details) | 26,390,2582 |
| Polycystic ovary syndrome in Southern Africa (Extrapolated Statistics) |
| Angola | 274,463 WARNING! (Details) | 10,978,5522 |
| Botswana | 40,980 WARNING! (Details) | 1,639,2312 |
| South Africa | 1,111,211 WARNING! (Details) | 44,448,4702 |
| Swaziland | 29,231 WARNING! (Details) | 1,169,2412 |
| Zambia | 275,642 WARNING! (Details) | 11,025,6902 |
| Zimbabwe | 91,796 WARNING! (Details) | 1,2671,8602 |
| Polycystic ovary syndrome in Oceania (Extrapolated Statistics) |
| Australia | 497,828 WARNING! (Details) | 19,913,1442 |
| New Zealand | 99,845 WARNING! (Details) | 3,993,8172 |
| Papua New Guinea | 135,507 WARNING! (Details) | 5,420,2802 |
The word 'prevalence' of Polycystic ovary syndrome usually means the estimated population
of people who are managing Polycystic ovary syndrome at any given time (i.e. people with Polycystic ovary syndrome).
The term 'incidence' of Polycystic ovary syndrome means the annual diagnosis rate,
or the number of new cases of Polycystic ovary syndrome diagnosed each year (i.e. getting Polycystic ovary syndrome).
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.