847,000 in the USA 1988-1994 (Weighted Analysis of 1988-1994 National Health and Nutrition Survey, 2003)
| Country/Region | Extrapolated Prevalence | Population Estimated Used |
| Interstitial cystitis in North America (Extrapolated Statistics) |
| USA | 914,434 | 293,655,4051 |
| Canada | 101,228 WARNING! (Details) | 32,507,8742 |
| Mexico | 326,841 WARNING! (Details) | 104,959,5942 |
| Interstitial cystitis in Central America (Extrapolated Statistics) |
| Belize | 849 WARNING! (Details) | 272,9452 |
| Guatemala | 44,469 WARNING! (Details) | 14,280,5962 |
| Nicaragua | 16,690 WARNING! (Details) | 5,359,7592 |
| Interstitial cystitis in Caribbean (Extrapolated Statistics) |
| Puerto Rico | 12,138 WARNING! (Details) | 3,897,9602 |
| Interstitial cystitis in South America (Extrapolated Statistics) |
| Brazil | 573,285 WARNING! (Details) | 184,101,1092 |
| Chile | 49,275 WARNING! (Details) | 15,823,9572 |
| Colombia | 131,754 WARNING! (Details) | 42,310,7752 |
| Paraguay | 19,279 WARNING! (Details) | 6,191,3682 |
| Peru | 85,772 WARNING! (Details) | 27,544,3052 |
| Venezuela | 77,903 WARNING! (Details) | 25,017,3872 |
| Interstitial cystitis in Northern Europe (Extrapolated Statistics) |
| Denmark | 16,857 WARNING! (Details) | 5,413,3922 |
| Finland | 16,237 WARNING! (Details) | 5,214,5122 |
| Iceland | 915 WARNING! (Details) | 293,9662 |
| Sweden | 27,983 WARNING! (Details) | 8,986,4002 |
| Interstitial cystitis in Western Europe (Extrapolated Statistics) |
| Britain (United Kingdom) | 187,681 WARNING! (Details) | 60,270,708 for UK2 |
| Belgium | 32,224 WARNING! (Details) | 10,348,2762 |
| France | 188,159 WARNING! (Details) | 60,424,2132 |
| Ireland | 12,361 WARNING! (Details) | 3,969,5582 |
| Luxembourg | 1,440 WARNING! (Details) | 462,6902 |
| Monaco | 100 WARNING! (Details) | 32,2702 |
| Netherlands (Holland) | 50,814 WARNING! (Details) | 16,318,1992 |
| United Kingdom | 187,681 WARNING! (Details) | 60,270,7082 |
| Wales | 9,086 WARNING! (Details) | 2,918,0002 |
| Interstitial cystitis in Central Europe (Extrapolated Statistics) |
| Austria | 25,455 WARNING! (Details) | 8,174,7622 |
| Czech Republic | 3,880 WARNING! (Details) | 1,0246,1782 |
| Germany | 256,667 WARNING! (Details) | 82,424,6092 |
| Hungary | 31,240 WARNING! (Details) | 10,032,3752 |
| Liechtenstein | 104 WARNING! (Details) | 33,4362 |
| Poland | 120,281 WARNING! (Details) | 38,626,3492 |
| Slovakia | 16,888 WARNING! (Details) | 5,423,5672 |
| Slovenia | 6,263 WARNING! (Details) | 2,011,473 2 |
| Switzerland | 23,201 WARNING! (Details) | 7,450,8672 |
| Interstitial cystitis in Eastern Europe (Extrapolated Statistics) |
| Belarus | 32,106 WARNING! (Details) | 10,310,5202 |
| Estonia | 4,177 WARNING! (Details) | 1,341,6642 |
| Latvia | 7,181 WARNING! (Details) | 2,306,3062 |
| Lithuania | 11,234 WARNING! (Details) | 3,607,8992 |
| Russia | 448,330 WARNING! (Details) | 143,974,0592 |
| Ukraine | 148,636 WARNING! (Details) | 47,732,0792 |
| Interstitial cystitis in the Southwestern Europe (Extrapolated Statistics) |
| Azerbaijan | 24,501 WARNING! (Details) | 7,868,3852 |
| Georgia | 14,616 WARNING! (Details) | 4,693,8922 |
| Portugal | 32,771 WARNING! (Details) | 10,524,1452 |
| Spain | 125,433 WARNING! (Details) | 40,280,7802 |
| Interstitial cystitis in Southern Europe (Extrapolated Statistics) |
| Greece | 33,156 WARNING! (Details) | 10,647,5292 |
| Italy | 180,789 WARNING! (Details) | 58,057,4772 |
| Interstitial cystitis in the Southeastern Europe (Extrapolated Statistics) |
| Albania | 11,038 WARNING! (Details) | 3,544,8082 |
| Bosnia and Herzegovina | 1,269 WARNING! (Details) | 407,6082 |
| Bulgaria | 23,410 WARNING! (Details) | 7,517,9732 |
| Croatia | 14,003 WARNING! (Details) | 4,496,8692 |
| Macedonia | 6,352 WARNING! (Details) | 2,040,0852 |
| Romania | 69,614 WARNING! (Details) | 22,355,5512 |
| Serbia and Montenegro | 33,711 WARNING! (Details) | 10,825,9002 |
| Interstitial cystitis in Northern Asia (Extrapolated Statistics) |
| Mongolia | 8,567 WARNING! (Details) | 2,751,3142 |
| Interstitial cystitis in Central Asia (Extrapolated Statistics) |
| Kazakhstan | 47,157 WARNING! (Details) | 15,143,7042 |
| Tajikistan | 21,833 WARNING! (Details) | 7,011,556 2 |
| Uzbekistan | 82,241 WARNING! (Details) | 26,410,4162 |
| Interstitial cystitis in Eastern Asia (Extrapolated Statistics) |
| China | 4,044,573 WARNING! (Details) | 1,298,847,6242 |
| Hong Kong s.a.r. | 21,346 WARNING! (Details) | 6,855,1252 |
| Japan | 396,511 WARNING! (Details) | 127,333,0022 |
| Macau s.a.r. | 1,386 WARNING! (Details) | 445,2862 |
| North Korea | 70,679 WARNING! (Details) | 22,697,5532 |
| South Korea | 150,198 WARNING! (Details) | 48,233,7602 |
| Taiwan | 70,842 WARNING! (Details) | 22,749,8382 |
| Interstitial cystitis in Southwestern Asia (Extrapolated Statistics) |
| Turkey | 214,533 WARNING! (Details) | 68,893,9182 |
| Interstitial cystitis in Southern Asia (Extrapolated Statistics) |
| Afghanistan | 88,790 WARNING! (Details) | 28,513,6772 |
| Bangladesh | 440,130 WARNING! (Details) | 141,340,4762 |
| Bhutan | 6,805 WARNING! (Details) | 2,185,5692 |
| India | 3,316,598 WARNING! (Details) | 1,065,070,6072 |
| Pakistan | 495,732 WARNING! (Details) | 159,196,3362 |
| Sri Lanka | 61,984 WARNING! (Details) | 19,905,1652 |
| Interstitial cystitis in Southeastern Asia (Extrapolated Statistics) |
| East Timor | 3,173 WARNING! (Details) | 1,019,2522 |
| Indonesia | 742,535 WARNING! (Details) | 238,452,9522 |
| Laos | 18,895 WARNING! (Details) | 6,068,1172 |
| Malaysia | 73,248 WARNING! (Details) | 23,522,4822 |
| Philippines | 268,554 WARNING! (Details) | 86,241,6972 |
| Singapore | 13,557 WARNING! (Details) | 4,353,8932 |
| Thailand | 201,989 WARNING! (Details) | 64,865,5232 |
| Vietnam | 257,409 WARNING! (Details) | 82,662,8002 |
| Interstitial cystitis in the Middle East (Extrapolated Statistics) |
| Gaza strip | 4,125 WARNING! (Details) | 1,324,9912 |
| Iran | 210,202 WARNING! (Details) | 67,503,2052 |
| Iraq | 79,016 WARNING! (Details) | 25,374,6912 |
| Israel | 19,303 WARNING! (Details) | 6,199,0082 |
| Jordan | 17,473 WARNING! (Details) | 5,611,2022 |
| Kuwait | 7,029 WARNING! (Details) | 2,257,5492 |
| Lebanon | 11,762 WARNING! (Details) | 3,777,2182 |
| Saudi Arabia | 80,327 WARNING! (Details) | 25,795,9382 |
| Syria | 56,104 WARNING! (Details) | 18,016,8742 |
| United Arab Emirates | 7,859 WARNING! (Details) | 2,523,9152 |
| West Bank | 7,197 WARNING! (Details) | 2,311,2042 |
| Yemen | 62,356 WARNING! (Details) | 20,024,8672 |
| Interstitial cystitis in Northern Africa (Extrapolated Statistics) |
| Egypt | 237,027 WARNING! (Details) | 76,117,4212 |
| Libya | 17,536 WARNING! (Details) | 5,631,5852 |
| Sudan | 121,906 WARNING! (Details) | 39,148,1622 |
| Interstitial cystitis in Western Africa (Extrapolated Statistics) |
| Congo Brazzaville | 9,335 WARNING! (Details) | 2,998,0402 |
| Ghana | 64,636 WARNING! (Details) | 20,757,0322 |
| Liberia | 10,558 WARNING! (Details) | 3,390,6352 |
| Niger | 35,376 WARNING! (Details) | 11,360,5382 |
| Nigeria | 55,274 WARNING! (Details) | 12,5750,3562 |
| Senegal | 33,793 WARNING! (Details) | 10,852,1472 |
| Sierra leone | 18,322 WARNING! (Details) | 5,883,8892 |
| Interstitial cystitis in Central Africa (Extrapolated Statistics) |
| Central African Republic | 11,653 WARNING! (Details) | 3,742,4822 |
| Chad | 29,702 WARNING! (Details) | 9,538,5442 |
| Congo kinshasa | 181,597 WARNING! (Details) | 58,317,0302 |
| Rwanda | 25,654 WARNING! (Details) | 8,238,6732 |
| Interstitial cystitis in Eastern Africa (Extrapolated Statistics) |
| Ethiopia | 222,139 WARNING! (Details) | 71,336,5712 |
| Kenya | 102,705 WARNING! (Details) | 32,982,1092 |
| Somalia | 25,860 WARNING! (Details) | 8,304,6012 |
| Tanzania | 112,323 WARNING! (Details) | 36,070,7992 |
| Uganda | 82,178 WARNING! (Details) | 26,390,2582 |
| Interstitial cystitis in Southern Africa (Extrapolated Statistics) |
| Angola | 34,186 WARNING! (Details) | 10,978,5522 |
| Botswana | 5,104 WARNING! (Details) | 1,639,2312 |
| South Africa | 138,411 WARNING! (Details) | 44,448,4702 |
| Swaziland | 3,640 WARNING! (Details) | 1,169,2412 |
| Zambia | 34,333 WARNING! (Details) | 11,025,6902 |
| Zimbabwe | 11,434 WARNING! (Details) | 1,2671,8602 |
| Interstitial cystitis in Oceania (Extrapolated Statistics) |
| Australia | 62,008 WARNING! (Details) | 19,913,1442 |
| New Zealand | 12,436 WARNING! (Details) | 3,993,8172 |
| Papua New Guinea | 16,878 WARNING! (Details) | 5,420,2802 |
The word 'prevalence' of Interstitial cystitis usually means the estimated population
of people who are managing Interstitial cystitis at any given time (i.e. people with Interstitial cystitis).
The term 'incidence' of Interstitial cystitis means the annual diagnosis rate,
or the number of new cases of Interstitial cystitis diagnosed each year (i.e. getting Interstitial cystitis).
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.