| Country/Region | Extrapolated Prevalence | Population Estimated Used |
| Psoriasis in North America (Extrapolated Statistics) |
| USA | 5,937,884 | 293,655,4051 |
| Canada | 657,328 WARNING! (Details) | 32,507,8742 |
| Mexico | 2,122,344 WARNING! (Details) | 104,959,5942 |
| Psoriasis in Central America (Extrapolated Statistics) |
| Belize | 5,519 WARNING! (Details) | 272,9452 |
| Guatemala | 288,762 WARNING! (Details) | 14,280,5962 |
| Nicaragua | 108,377 WARNING! (Details) | 5,359,7592 |
| Psoriasis in Caribbean (Extrapolated Statistics) |
| Puerto Rico | 78,819 WARNING! (Details) | 3,897,9602 |
| Psoriasis in South America (Extrapolated Statistics) |
| Brazil | 3,722,632 WARNING! (Details) | 184,101,1092 |
| Chile | 319,969 WARNING! (Details) | 15,823,9572 |
| Colombia | 855,548 WARNING! (Details) | 42,310,7752 |
| Paraguay | 125,193 WARNING! (Details) | 6,191,3682 |
| Peru | 556,962 WARNING! (Details) | 27,544,3052 |
| Venezuela | 505,866 WARNING! (Details) | 25,017,3872 |
| Psoriasis in Northern Europe (Extrapolated Statistics) |
| Denmark | 109,461 WARNING! (Details) | 5,413,3922 |
| Finland | 105,440 WARNING! (Details) | 5,214,5122 |
| Iceland | 5,944 WARNING! (Details) | 293,9662 |
| Sweden | 181,710 WARNING! (Details) | 8,986,4002 |
| Psoriasis in Western Europe (Extrapolated Statistics) |
| Britain (United Kingdom) | 1,218,709 WARNING! (Details) | 60,270,708 for UK2 |
| Belgium | 209,248 WARNING! (Details) | 10,348,2762 |
| France | 1,221,813 WARNING! (Details) | 60,424,2132 |
| Ireland | 80,266 WARNING! (Details) | 3,969,5582 |
| Luxembourg | 9,355 WARNING! (Details) | 462,6902 |
| Monaco | 652 WARNING! (Details) | 32,2702 |
| Netherlands (Holland) | 329,963 WARNING! (Details) | 16,318,1992 |
| United Kingdom | 1,218,709 WARNING! (Details) | 60,270,7082 |
| Wales | 59,003 WARNING! (Details) | 2,918,0002 |
| Psoriasis in Central Europe (Extrapolated Statistics) |
| Austria | 165,298 WARNING! (Details) | 8,174,7622 |
| Czech Republic | 25,198 WARNING! (Details) | 1,0246,1782 |
| Germany | 1,666,673 WARNING! (Details) | 82,424,6092 |
| Hungary | 202,860 WARNING! (Details) | 10,032,3752 |
| Liechtenstein | 676 WARNING! (Details) | 33,4362 |
| Poland | 781,047 WARNING! (Details) | 38,626,3492 |
| Slovakia | 109,667 WARNING! (Details) | 5,423,5672 |
| Slovenia | 40,673 WARNING! (Details) | 2,011,473 2 |
| Switzerland | 150,660 WARNING! (Details) | 7,450,8672 |
| Psoriasis in Eastern Europe (Extrapolated Statistics) |
| Belarus | 208,484 WARNING! (Details) | 10,310,5202 |
| Estonia | 27,129 WARNING! (Details) | 1,341,6642 |
| Latvia | 46,634 WARNING! (Details) | 2,306,3062 |
| Lithuania | 72,953 WARNING! (Details) | 3,607,8992 |
| Russia | 2,911,240 WARNING! (Details) | 143,974,0592 |
| Ukraine | 965,170 WARNING! (Details) | 47,732,0792 |
| Psoriasis in the Southwestern Europe (Extrapolated Statistics) |
| Azerbaijan | 159,103 WARNING! (Details) | 7,868,3852 |
| Georgia | 94,913 WARNING! (Details) | 4,693,8922 |
| Portugal | 212,804 WARNING! (Details) | 10,524,1452 |
| Spain | 814,501 WARNING! (Details) | 40,280,7802 |
| Psoriasis in Southern Europe (Extrapolated Statistics) |
| Greece | 215,299 WARNING! (Details) | 10,647,5292 |
| Italy | 1,173,956 WARNING! (Details) | 58,057,4772 |
| Psoriasis in the Southeastern Europe (Extrapolated Statistics) |
| Albania | 71,678 WARNING! (Details) | 3,544,8082 |
| Bosnia and Herzegovina | 8,242 WARNING! (Details) | 407,6082 |
| Bulgaria | 152,017 WARNING! (Details) | 7,517,9732 |
| Croatia | 90,929 WARNING! (Details) | 4,496,8692 |
| Macedonia | 41,251 WARNING! (Details) | 2,040,0852 |
| Romania | 452,042 WARNING! (Details) | 22,355,5512 |
| Serbia and Montenegro | 218,906 WARNING! (Details) | 10,825,9002 |
| Psoriasis in Northern Asia (Extrapolated Statistics) |
| Mongolia | 55,633 WARNING! (Details) | 2,751,3142 |
| Psoriasis in Central Asia (Extrapolated Statistics) |
| Kazakhstan | 306,214 WARNING! (Details) | 15,143,7042 |
| Tajikistan | 141,777 WARNING! (Details) | 7,011,556 2 |
| Uzbekistan | 534,034 WARNING! (Details) | 26,410,4162 |
| Psoriasis in Eastern Asia (Extrapolated Statistics) |
| China | 26,263,461 WARNING! (Details) | 1,298,847,6242 |
| Hong Kong s.a.r. | 138,614 WARNING! (Details) | 6,855,1252 |
| Japan | 2,574,748 WARNING! (Details) | 127,333,0022 |
| Macau s.a.r. | 9,003 WARNING! (Details) | 445,2862 |
| North Korea | 458,957 WARNING! (Details) | 22,697,5532 |
| South Korea | 975,314 WARNING! (Details) | 48,233,7602 |
| Taiwan | 460,015 WARNING! (Details) | 22,749,8382 |
| Psoriasis in Southwestern Asia (Extrapolated Statistics) |
| Turkey | 1,393,075 WARNING! (Details) | 68,893,9182 |
| Psoriasis in Southern Asia (Extrapolated Statistics) |
| Afghanistan | 576,563 WARNING! (Details) | 28,513,6772 |
| Bangladesh | 2,857,987 WARNING! (Details) | 141,340,4762 |
| Bhutan | 44,193 WARNING! (Details) | 2,185,5692 |
| India | 21,536,353 WARNING! (Details) | 1,065,070,6072 |
| Pakistan | 3,219,043 WARNING! (Details) | 159,196,3362 |
| Sri Lanka | 402,494 WARNING! (Details) | 19,905,1652 |
| Psoriasis in Southeastern Asia (Extrapolated Statistics) |
| East Timor | 20,609 WARNING! (Details) | 1,019,2522 |
| Indonesia | 4,821,658 WARNING! (Details) | 238,452,9522 |
| Laos | 122,700 WARNING! (Details) | 6,068,1172 |
| Malaysia | 475,638 WARNING! (Details) | 23,522,4822 |
| Philippines | 1,743,857 WARNING! (Details) | 86,241,6972 |
| Singapore | 88,038 WARNING! (Details) | 4,353,8932 |
| Thailand | 1,311,618 WARNING! (Details) | 64,865,5232 |
| Vietnam | 1,671,490 WARNING! (Details) | 82,662,8002 |
| Psoriasis in the Middle East (Extrapolated Statistics) |
| Gaza strip | 26,792 WARNING! (Details) | 1,324,9912 |
| Iran | 1,364,954 WARNING! (Details) | 67,503,2052 |
| Iraq | 513,091 WARNING! (Details) | 25,374,6912 |
| Israel | 125,347 WARNING! (Details) | 6,199,0082 |
| Jordan | 113,461 WARNING! (Details) | 5,611,2022 |
| Kuwait | 45,648 WARNING! (Details) | 2,257,5492 |
| Lebanon | 76,377 WARNING! (Details) | 3,777,2182 |
| Saudi Arabia | 521,609 WARNING! (Details) | 25,795,9382 |
| Syria | 364,311 WARNING! (Details) | 18,016,8742 |
| United Arab Emirates | 51,035 WARNING! (Details) | 2,523,9152 |
| West Bank | 46,733 WARNING! (Details) | 2,311,2042 |
| Yemen | 404,914 WARNING! (Details) | 20,024,8672 |
| Psoriasis in Northern Africa (Extrapolated Statistics) |
| Egypt | 1,539,138 WARNING! (Details) | 76,117,4212 |
| Libya | 113,873 WARNING! (Details) | 5,631,5852 |
| Sudan | 791,598 WARNING! (Details) | 39,148,1622 |
| Psoriasis in Western Africa (Extrapolated Statistics) |
| Congo Brazzaville | 60,622 WARNING! (Details) | 2,998,0402 |
| Ghana | 419,719 WARNING! (Details) | 20,757,0322 |
| Liberia | 68,560 WARNING! (Details) | 3,390,6352 |
| Niger | 229,716 WARNING! (Details) | 11,360,5382 |
| Nigeria | 358,922 WARNING! (Details) | 12,5750,3562 |
| Senegal | 219,436 WARNING! (Details) | 10,852,1472 |
| Sierra leone | 118,975 WARNING! (Details) | 5,883,8892 |
| Psoriasis in Central Africa (Extrapolated Statistics) |
| Central African Republic | 75,675 WARNING! (Details) | 3,742,4822 |
| Chad | 192,874 WARNING! (Details) | 9,538,5442 |
| Congo kinshasa | 1,179,204 WARNING! (Details) | 58,317,0302 |
| Rwanda | 166,590 WARNING! (Details) | 8,238,6732 |
| Psoriasis in Eastern Africa (Extrapolated Statistics) |
| Ethiopia | 1,442,467 WARNING! (Details) | 71,336,5712 |
| Kenya | 666,917 WARNING! (Details) | 32,982,1092 |
| Somalia | 167,923 WARNING! (Details) | 8,304,6012 |
| Tanzania | 729,372 WARNING! (Details) | 36,070,7992 |
| Uganda | 533,626 WARNING! (Details) | 26,390,2582 |
| Psoriasis in Southern Africa (Extrapolated Statistics) |
| Angola | 221,992 WARNING! (Details) | 10,978,5522 |
| Botswana | 33,146 WARNING! (Details) | 1,639,2312 |
| South Africa | 898,774 WARNING! (Details) | 44,448,4702 |
| Swaziland | 23,642 WARNING! (Details) | 1,169,2412 |
| Zambia | 222,945 WARNING! (Details) | 11,025,6902 |
| Zimbabwe | 74,247 WARNING! (Details) | 1,2671,8602 |
| Psoriasis in Oceania (Extrapolated Statistics) |
| Australia | 402,655 WARNING! (Details) | 19,913,1442 |
| New Zealand | 80,757 WARNING! (Details) | 3,993,8172 |
| Papua New Guinea | 109,601 WARNING! (Details) | 5,420,2802 |
The word 'prevalence' of Psoriasis usually means the estimated population
of people who are managing Psoriasis at any given time (i.e. people with Psoriasis).
The term 'incidence' of Psoriasis means the annual diagnosis rate,
or the number of new cases of Psoriasis diagnosed each year (i.e. getting Psoriasis).
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.