| Country/Region | Extrapolated Prevalence | Population Estimated Used |
| Cyclic vomiting syndrome in North America (Extrapolated Statistics) |
| USA | 5,873,108 | 293,655,4051 |
| Canada | 650,157 WARNING! (Details) | 32,507,8742 |
| Mexico | 2,099,191 WARNING! (Details) | 104,959,5942 |
| Cyclic vomiting syndrome in Central America (Extrapolated Statistics) |
| Belize | 5,458 WARNING! (Details) | 272,9452 |
| Guatemala | 285,611 WARNING! (Details) | 14,280,5962 |
| Nicaragua | 107,195 WARNING! (Details) | 5,359,7592 |
| Cyclic vomiting syndrome in Caribbean (Extrapolated Statistics) |
| Puerto Rico | 77,959 WARNING! (Details) | 3,897,9602 |
| Cyclic vomiting syndrome in South America (Extrapolated Statistics) |
| Brazil | 3,682,022 WARNING! (Details) | 184,101,1092 |
| Chile | 316,479 WARNING! (Details) | 15,823,9572 |
| Colombia | 846,215 WARNING! (Details) | 42,310,7752 |
| Paraguay | 123,827 WARNING! (Details) | 6,191,3682 |
| Peru | 550,886 WARNING! (Details) | 27,544,3052 |
| Venezuela | 500,347 WARNING! (Details) | 25,017,3872 |
| Cyclic vomiting syndrome in Northern Europe (Extrapolated Statistics) |
| Denmark | 108,267 WARNING! (Details) | 5,413,3922 |
| Finland | 104,290 WARNING! (Details) | 5,214,5122 |
| Iceland | 5,879 WARNING! (Details) | 293,9662 |
| Sweden | 179,728 WARNING! (Details) | 8,986,4002 |
| Cyclic vomiting syndrome in Western Europe (Extrapolated Statistics) |
| Britain (United Kingdom) | 1,205,414 WARNING! (Details) | 60,270,708 for UK2 |
| Belgium | 206,965 WARNING! (Details) | 10,348,2762 |
| France | 1,208,484 WARNING! (Details) | 60,424,2132 |
| Ireland | 79,391 WARNING! (Details) | 3,969,5582 |
| Luxembourg | 9,253 WARNING! (Details) | 462,6902 |
| Monaco | 645 WARNING! (Details) | 32,2702 |
| Netherlands (Holland) | 326,363 WARNING! (Details) | 16,318,1992 |
| United Kingdom | 1,205,414 WARNING! (Details) | 60,270,7082 |
| Wales | 58,360 WARNING! (Details) | 2,918,0002 |
| Cyclic vomiting syndrome in Central Europe (Extrapolated Statistics) |
| Austria | 163,495 WARNING! (Details) | 8,174,7622 |
| Czech Republic | 24,923 WARNING! (Details) | 1,0246,1782 |
| Germany | 1,648,492 WARNING! (Details) | 82,424,6092 |
| Hungary | 200,647 WARNING! (Details) | 10,032,3752 |
| Liechtenstein | 668 WARNING! (Details) | 33,4362 |
| Poland | 772,526 WARNING! (Details) | 38,626,3492 |
| Slovakia | 108,471 WARNING! (Details) | 5,423,5672 |
| Slovenia | 40,229 WARNING! (Details) | 2,011,473 2 |
| Switzerland | 149,017 WARNING! (Details) | 7,450,8672 |
| Cyclic vomiting syndrome in Eastern Europe (Extrapolated Statistics) |
| Belarus | 206,210 WARNING! (Details) | 10,310,5202 |
| Estonia | 26,833 WARNING! (Details) | 1,341,6642 |
| Latvia | 46,126 WARNING! (Details) | 2,306,3062 |
| Lithuania | 72,157 WARNING! (Details) | 3,607,8992 |
| Russia | 2,879,481 WARNING! (Details) | 143,974,0592 |
| Ukraine | 954,641 WARNING! (Details) | 47,732,0792 |
| Cyclic vomiting syndrome in the Southwestern Europe (Extrapolated Statistics) |
| Azerbaijan | 157,367 WARNING! (Details) | 7,868,3852 |
| Georgia | 93,877 WARNING! (Details) | 4,693,8922 |
| Portugal | 210,482 WARNING! (Details) | 10,524,1452 |
| Spain | 805,615 WARNING! (Details) | 40,280,7802 |
| Cyclic vomiting syndrome in Southern Europe (Extrapolated Statistics) |
| Greece | 212,950 WARNING! (Details) | 10,647,5292 |
| Italy | 1,161,149 WARNING! (Details) | 58,057,4772 |
| Cyclic vomiting syndrome in the Southeastern Europe (Extrapolated Statistics) |
| Albania | 70,896 WARNING! (Details) | 3,544,8082 |
| Bosnia and Herzegovina | 8,152 WARNING! (Details) | 407,6082 |
| Bulgaria | 150,359 WARNING! (Details) | 7,517,9732 |
| Croatia | 89,937 WARNING! (Details) | 4,496,8692 |
| Macedonia | 40,801 WARNING! (Details) | 2,040,0852 |
| Romania | 447,111 WARNING! (Details) | 22,355,5512 |
| Serbia and Montenegro | 216,518 WARNING! (Details) | 10,825,9002 |
| Cyclic vomiting syndrome in Northern Asia (Extrapolated Statistics) |
| Mongolia | 55,026 WARNING! (Details) | 2,751,3142 |
| Cyclic vomiting syndrome in Central Asia (Extrapolated Statistics) |
| Kazakhstan | 302,874 WARNING! (Details) | 15,143,7042 |
| Tajikistan | 140,231 WARNING! (Details) | 7,011,556 2 |
| Uzbekistan | 528,208 WARNING! (Details) | 26,410,4162 |
| Cyclic vomiting syndrome in Eastern Asia (Extrapolated Statistics) |
| China | 25,976,952 WARNING! (Details) | 1,298,847,6242 |
| Hong Kong s.a.r. | 137,102 WARNING! (Details) | 6,855,1252 |
| Japan | 2,546,660 WARNING! (Details) | 127,333,0022 |
| Macau s.a.r. | 8,905 WARNING! (Details) | 445,2862 |
| North Korea | 453,951 WARNING! (Details) | 22,697,5532 |
| South Korea | 964,675 WARNING! (Details) | 48,233,7602 |
| Taiwan | 454,996 WARNING! (Details) | 22,749,8382 |
| Cyclic vomiting syndrome in Southwestern Asia (Extrapolated Statistics) |
| Turkey | 1,377,878 WARNING! (Details) | 68,893,9182 |
| Cyclic vomiting syndrome in Southern Asia (Extrapolated Statistics) |
| Afghanistan | 570,273 WARNING! (Details) | 28,513,6772 |
| Bangladesh | 2,826,809 WARNING! (Details) | 141,340,4762 |
| Bhutan | 43,711 WARNING! (Details) | 2,185,5692 |
| India | 21,301,412 WARNING! (Details) | 1,065,070,6072 |
| Pakistan | 3,183,926 WARNING! (Details) | 159,196,3362 |
| Sri Lanka | 398,103 WARNING! (Details) | 19,905,1652 |
| Cyclic vomiting syndrome in Southeastern Asia (Extrapolated Statistics) |
| East Timor | 20,385 WARNING! (Details) | 1,019,2522 |
| Indonesia | 4,769,059 WARNING! (Details) | 238,452,9522 |
| Laos | 121,362 WARNING! (Details) | 6,068,1172 |
| Malaysia | 470,449 WARNING! (Details) | 23,522,4822 |
| Philippines | 1,724,833 WARNING! (Details) | 86,241,6972 |
| Singapore | 87,077 WARNING! (Details) | 4,353,8932 |
| Thailand | 1,297,310 WARNING! (Details) | 64,865,5232 |
| Vietnam | 1,653,256 WARNING! (Details) | 82,662,8002 |
| Cyclic vomiting syndrome in the Middle East (Extrapolated Statistics) |
| Gaza strip | 26,499 WARNING! (Details) | 1,324,9912 |
| Iran | 1,350,064 WARNING! (Details) | 67,503,2052 |
| Iraq | 507,493 WARNING! (Details) | 25,374,6912 |
| Israel | 123,980 WARNING! (Details) | 6,199,0082 |
| Jordan | 112,224 WARNING! (Details) | 5,611,2022 |
| Kuwait | 45,150 WARNING! (Details) | 2,257,5492 |
| Lebanon | 75,544 WARNING! (Details) | 3,777,2182 |
| Saudi Arabia | 515,918 WARNING! (Details) | 25,795,9382 |
| Syria | 360,337 WARNING! (Details) | 18,016,8742 |
| United Arab Emirates | 50,478 WARNING! (Details) | 2,523,9152 |
| West Bank | 46,224 WARNING! (Details) | 2,311,2042 |
| Yemen | 400,497 WARNING! (Details) | 20,024,8672 |
| Cyclic vomiting syndrome in Northern Africa (Extrapolated Statistics) |
| Egypt | 1,522,348 WARNING! (Details) | 76,117,4212 |
| Libya | 112,631 WARNING! (Details) | 5,631,5852 |
| Sudan | 782,963 WARNING! (Details) | 39,148,1622 |
| Cyclic vomiting syndrome in Western Africa (Extrapolated Statistics) |
| Congo Brazzaville | 59,960 WARNING! (Details) | 2,998,0402 |
| Ghana | 415,140 WARNING! (Details) | 20,757,0322 |
| Liberia | 67,812 WARNING! (Details) | 3,390,6352 |
| Niger | 227,210 WARNING! (Details) | 11,360,5382 |
| Nigeria | 355,007 WARNING! (Details) | 12,5750,3562 |
| Senegal | 217,042 WARNING! (Details) | 10,852,1472 |
| Sierra leone | 117,677 WARNING! (Details) | 5,883,8892 |
| Cyclic vomiting syndrome in Central Africa (Extrapolated Statistics) |
| Central African Republic | 74,849 WARNING! (Details) | 3,742,4822 |
| Chad | 190,770 WARNING! (Details) | 9,538,5442 |
| Congo kinshasa | 1,166,340 WARNING! (Details) | 58,317,0302 |
| Rwanda | 164,773 WARNING! (Details) | 8,238,6732 |
| Cyclic vomiting syndrome in Eastern Africa (Extrapolated Statistics) |
| Ethiopia | 1,426,731 WARNING! (Details) | 71,336,5712 |
| Kenya | 659,642 WARNING! (Details) | 32,982,1092 |
| Somalia | 166,092 WARNING! (Details) | 8,304,6012 |
| Tanzania | 721,415 WARNING! (Details) | 36,070,7992 |
| Uganda | 527,805 WARNING! (Details) | 26,390,2582 |
| Cyclic vomiting syndrome in Southern Africa (Extrapolated Statistics) |
| Angola | 219,571 WARNING! (Details) | 10,978,5522 |
| Botswana | 32,784 WARNING! (Details) | 1,639,2312 |
| South Africa | 888,969 WARNING! (Details) | 44,448,4702 |
| Swaziland | 23,384 WARNING! (Details) | 1,169,2412 |
| Zambia | 220,513 WARNING! (Details) | 11,025,6902 |
| Zimbabwe | 73,437 WARNING! (Details) | 1,2671,8602 |
| Cyclic vomiting syndrome in Oceania (Extrapolated Statistics) |
| Australia | 398,262 WARNING! (Details) | 19,913,1442 |
| New Zealand | 79,876 WARNING! (Details) | 3,993,8172 |
| Papua New Guinea | 108,405 WARNING! (Details) | 5,420,2802 |
The word 'prevalence' of Cyclic vomiting syndrome usually means the estimated population
of people who are managing Cyclic vomiting syndrome at any given time (i.e. people with Cyclic vomiting syndrome).
The term 'incidence' of Cyclic vomiting syndrome means the annual diagnosis rate,
or the number of new cases of Cyclic vomiting syndrome diagnosed each year (i.e. getting Cyclic vomiting 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.