Statistics by Country for Cataracts
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About these extrapolations of prevalence and incidence statistics for Cataracts:
These statistics are calculated extrapolations of various prevalence or incidence rates
against the populations of a particular country or region.
The statistics used for prevalence/incidence of Cataracts are typically based on US, UK, Canadian or Australian statistics.
This extrapolation calculation is automated and does not take into account any genetic, cultural, environmental, social, racial or other differences
across the various countries and regions for which the extrapolated Cataracts statistics below refer to.
As such, these extrapolations may be highly inaccurate (especially for developing or third-world countries) and only give a general indication (or even a meaningless indication)
as to the actual prevalence or incidence of Cataracts in that region.
About prevalence and incidence statistics in general for Cataracts: The word 'prevalence' of Cataracts usually means the estimated population of people who are managing Cataracts at any given time (i.e. people with Cataracts). The term 'incidence' of Cataracts means the annual diagnosis rate, or the number of new cases of Cataracts diagnosed each year (i.e. getting Cataracts). 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. |
Prevalance of Cataracts: 5,500,000 people have a cataract interfering with their vision in the US (Research to Prevent Blindness, NISE, NSF)
Prevalance Rate for Cataracts: approx 1 in 49 or 2.02% or 5.5 million people in USA [about data]
Extrapolation of Prevalence Rate of Cataracts to Countries and Regions: The following table attempts to extrapolate the above prevalence rate for Cataracts to the populations of various countries and regions. As discussed above, these prevalence extrapolations for Cataracts are only estimates and may have limited relevance to the actual prevalence of Cataracts in any region:
| Country/Region | Extrapolated Prevalence | Population Estimated Used |
| Cataracts in North America (Extrapolated Statistics) | ||
| USA | 5,937,884 | 293,655,4051 |
| Canada | 657,328 | 32,507,8742 |
| Cataracts in Europe (Extrapolated Statistics) | ||
| Austria | 165,298 | 8,174,7622 |
| Belgium | 209,248 | 10,348,2762 |
| Britain (United Kingdom) | 1,218,709 | 60,270,708 for UK2 |
| Czech Republic | 25,198 | 1,0246,1782 |
| Denmark | 109,461 | 5,413,3922 |
| Finland | 105,440 | 5,214,5122 |
| France | 1,221,813 | 60,424,2132 |
| Greece | 215,299 | 10,647,5292 |
| Germany | 1,666,673 | 82,424,6092 |
| Iceland | 5,944 | 293,9662 |
| Hungary | 202,860 | 10,032,3752 |
| Liechtenstein | 676 | 33,4362 |
| Ireland | 80,266 | 3,969,5582 |
| Italy | 1,173,956 | 58,057,4772 |
| Luxembourg | 9,355 | 462,6902 |
| Monaco | 652 | 32,2702 |
| Netherlands (Holland) | 329,963 | 16,318,1992 |
| Poland | 781,047 | 38,626,3492 |
| Portugal | 212,804 | 10,524,1452 |
| Spain | 814,501 | 40,280,7802 |
| Sweden | 181,710 | 8,986,4002 |
| Switzerland | 150,660 | 7,450,8672 |
| United Kingdom | 1,218,709 | 60,270,7082 |
| Wales | 59,003 | 2,918,0002 |
| Cataracts in the Balkans (Extrapolated Statistics) | ||
| Albania | 71,678 | 3,544,8082 |
| Bosnia and Herzegovina | 8,242 | 407,6082 |
| Croatia | 90,929 | 4,496,8692 |
| Macedonia | 41,251 | 2,040,0852 |
| Serbia and Montenegro | 218,906 | 10,825,9002 |
| Cataracts in Asia (Extrapolated Statistics) | ||
| Bangladesh | 2,857,987 | 141,340,4762 |
| Bhutan | 44,193 | 2,185,5692 |
| China | 26,263,461 | 1,298,847,6242 |
| East Timor | 20,609 | 1,019,2522 |
| Hong Kong s.a.r. | 138,614 | 6,855,1252 |
| India | 21,536,353 | 1,065,070,6072 |
| Indonesia | 4,821,658 | 238,452,9522 |
| Japan | 2,574,748 | 127,333,0022 |
| Laos | 122,700 | 6,068,1172 |
| Macau s.a.r. | 9,003 | 445,2862 |
| Malaysia | 475,638 | 23,522,4822 |
| Mongolia | 55,633 | 2,751,3142 |
| Philippines | 1,743,857 | 86,241,6972 |
| Papua New Guinea | 109,601 | 5,420,2802 |
| Vietnam | 1,671,490 | 82,662,8002 |
| Singapore | 88,038 | 4,353,8932 |
| Pakistan | 3,219,043 | 159,196,3362 |
| North Korea | 458,957 | 22,697,5532 |
| South Korea | 975,314 | 48,233,7602 |
| Sri Lanka | 402,494 | 19,905,1652 |
| Taiwan | 460,015 | 22,749,8382 |
| Thailand | 1,311,618 | 64,865,5232 |
| Cataracts in Eastern Europe (Extrapolated Statistics) | ||
| Azerbaijan | 159,103 | 7,868,3852 |
| Belarus | 208,484 | 10,310,5202 |
| Bulgaria | 152,017 | 7,517,9732 |
| Estonia | 27,129 | 1,341,6642 |
| Georgia | 94,913 | 4,693,8922 |
| Kazakhstan | 306,214 | 15,143,7042 |
| Latvia | 46,634 | 2,306,3062 |
| Lithuania | 72,953 | 3,607,8992 |
| Romania | 452,042 | 22,355,5512 |
| Russia | 2,911,240 | 143,974,0592 |
| Slovakia | 109,667 | 5,423,5672 |
| Slovenia | 40,673 | 2,011,473 2 |
| Tajikistan | 141,777 | 7,011,556 2 |
| Ukraine | 965,170 | 47,732,0792 |
| Uzbekistan | 534,034 | 26,410,4162 |
| Cataracts in Australasia and Southern Pacific (Extrapolated Statistics) | ||
| Australia | 402,655 | 19,913,1442 |
| New Zealand | 80,757 | 3,993,8172 |
| Cataracts in the Middle East (Extrapolated Statistics) | ||
| Afghanistan | 576,563 | 28,513,6772 |
| Egypt | 1,539,138 | 76,117,4212 |
| Gaza strip | 26,792 | 1,324,9912 |
| Iran | 1,364,954 | 67,503,2052 |
| Iraq | 513,091 | 25,374,6912 |
| Israel | 125,347 | 6,199,0082 |
| Jordan | 113,461 | 5,611,2022 |
| Kuwait | 45,648 | 2,257,5492 |
| Lebanon | 76,377 | 3,777,2182 |
| Libya | 113,873 | 5,631,5852 |
| Saudi Arabia | 521,609 | 25,795,9382 |
| Syria | 364,311 | 18,016,8742 |
| Turkey | 1,393,075 | 68,893,9182 |
| United Arab Emirates | 51,035 | 2,523,9152 |
| West Bank | 46,733 | 2,311,2042 |
| Yemen | 404,914 | 20,024,8672 |
| Cataracts in South America (Extrapolated Statistics) | ||
| Belize | 5,519 | 272,9452 |
| Brazil | 3,722,632 | 184,101,1092 |
| Chile | 319,969 | 15,823,9572 |
| Colombia | 855,548 | 42,310,7752 |
| Guatemala | 288,762 | 14,280,5962 |
| Mexico | 2,122,344 | 104,959,5942 |
| Nicaragua | 108,377 | 5,359,7592 |
| Paraguay | 125,193 | 6,191,3682 |
| Peru | 556,962 | 27,544,3052 |
| Puerto Rico | 78,819 | 3,897,9602 |
| Venezuela | 505,866 | 25,017,3872 |
| Cataracts in Africa (Extrapolated Statistics) | ||
| Angola | 221,992 | 10,978,5522 |
| Botswana | 33,146 | 1,639,2312 |
| Central African Republic | 75,675 | 3,742,4822 |
| Chad | 192,874 | 9,538,5442 |
| Congo Brazzaville | 60,622 | 2,998,0402 |
| Congo kinshasa | 1,179,204 | 58,317,0302 |
| Ethiopia | 1,442,467 | 71,336,5712 |
| Ghana | 419,719 | 20,757,0322 |
| Kenya | 666,917 | 32,982,1092 |
| Liberia | 68,560 | 3,390,6352 |
| Niger | 229,716 | 11,360,5382 |
| Nigeria | 358,922 | 12,5750,3562 |
| Rwanda | 166,590 | 8,238,6732 |
| Senegal | 219,436 | 10,852,1472 |
| Sierra leone | 118,975 | 5,883,8892 |
| Somalia | 167,923 | 8,304,6012 |
| Sudan | 791,598 | 39,148,1622 |
| South Africa | 898,774 | 44,448,4702 |
| Swaziland | 23,642 | 1,169,2412 |
| Tanzania | 729,372 | 36,070,7992 |
| Uganda | 533,626 | 26,390,2582 |
| Zambia | 222,945 | 11,025,6902 |
| Zimbabwe | 74,247 | 1,2671,8602 |
Incidence (annual) of Cataracts: 400,000 new cases of cataract occur each year in the US (Research to Prevent Blindness, NISE, NSF)
Incidence Rate for Cataracts: approx 1 in 679 or 0.15% or 400,000 people in USA [about data]
Extrapolation of Incidence Rate for Cataracts to Countries and Regions: The following table attempts to extrapolate the above incidence rate for Cataracts to the populations of various countries and regions. As discussed above, these incidence extrapolations for Cataracts are only estimates and may have limited relevance to the actual incidence of Cataracts in any region:
| Country/Region | Extrapolated Incidence | Population Estimated Used |
| Cataracts in North America (Extrapolated Statistics) | ||
| USA | 431,846 | 293,655,4051 |
| Canada | 47,805 | 32,507,8742 |
| Cataracts in Europe (Extrapolated Statistics) | ||
| Austria | 12,021 | 8,174,7622 |
| Belgium | 15,218 | 10,348,2762 |
| Britain (United Kingdom) | 88,633 | 60,270,708 for UK2 |
| Czech Republic | 1,832 | 1,0246,1782 |
| Denmark | 7,960 | 5,413,3922 |
| Finland | 7,668 | 5,214,5122 |
| France | 88,859 | 60,424,2132 |
| Greece | 15,658 | 10,647,5292 |
| Germany | 121,212 | 82,424,6092 |
| Iceland | 432 | 293,9662 |
| Hungary | 14,753 | 10,032,3752 |
| Liechtenstein | 49 | 33,4362 |
| Ireland | 5,837 | 3,969,5582 |
| Italy | 85,378 | 58,057,4772 |
| Luxembourg | 680 | 462,6902 |
| Monaco | 47 | 32,2702 |
| Netherlands (Holland) | 23,997 | 16,318,1992 |
| Poland | 56,803 | 38,626,3492 |
| Portugal | 15,476 | 10,524,1452 |
| Spain | 59,236 | 40,280,7802 |
| Sweden | 13,215 | 8,986,4002 |
| Switzerland | 10,957 | 7,450,8672 |
| United Kingdom | 88,633 | 60,270,7082 |
| Wales | 4,291 | 2,918,0002 |
| Cataracts in the Balkans (Extrapolated Statistics) | ||
| Albania | 5,212 | 3,544,8082 |
| Bosnia and Herzegovina | 599 | 407,6082 |
| Croatia | 6,613 | 4,496,8692 |
| Macedonia | 3,000 | 2,040,0852 |
| Serbia and Montenegro | 15,920 | 10,825,9002 |
| Cataracts in Asia (Extrapolated Statistics) | ||
| Bangladesh | 207,853 | 141,340,4762 |
| Bhutan | 3,214 | 2,185,5692 |
| China | 1,910,070 | 1,298,847,6242 |
| East Timor | 1,498 | 1,019,2522 |
| Hong Kong s.a.r. | 10,081 | 6,855,1252 |
| India | 1,566,280 | 1,065,070,6072 |
| Indonesia | 350,666 | 238,452,9522 |
| Japan | 187,254 | 127,333,0022 |
| Laos | 8,923 | 6,068,1172 |
| Macau s.a.r. | 654 | 445,2862 |
| Malaysia | 34,591 | 23,522,4822 |
| Mongolia | 4,046 | 2,751,3142 |
| Philippines | 126,826 | 86,241,6972 |
| Papua New Guinea | 7,971 | 5,420,2802 |
| Vietnam | 121,562 | 82,662,8002 |
| Singapore | 6,402 | 4,353,8932 |
| Pakistan | 234,112 | 159,196,3362 |
| North Korea | 33,378 | 22,697,5532 |
| South Korea | 70,932 | 48,233,7602 |
| Sri Lanka | 29,272 | 19,905,1652 |
| Taiwan | 33,455 | 22,749,8382 |
| Thailand | 95,390 | 64,865,5232 |
| Cataracts in Eastern Europe (Extrapolated Statistics) | ||
| Azerbaijan | 11,571 | 7,868,3852 |
| Belarus | 15,162 | 10,310,5202 |
| Bulgaria | 11,055 | 7,517,9732 |
| Estonia | 1,973 | 1,341,6642 |
| Georgia | 6,902 | 4,693,8922 |
| Kazakhstan | 22,270 | 15,143,7042 |
| Latvia | 3,391 | 2,306,3062 |
| Lithuania | 5,305 | 3,607,8992 |
| Romania | 32,875 | 22,355,5512 |
| Russia | 211,726 | 143,974,0592 |
| Slovakia | 7,975 | 5,423,5672 |
| Slovenia | 2,958 | 2,011,473 2 |
| Tajikistan | 10,311 | 7,011,556 2 |
| Ukraine | 70,194 | 47,732,0792 |
| Uzbekistan | 38,838 | 26,410,4162 |
| Cataracts in Australasia and Southern Pacific (Extrapolated Statistics) | ||
| Australia | 29,284 | 19,913,1442 |
| New Zealand | 5,873 | 3,993,8172 |
| Cataracts in the Middle East (Extrapolated Statistics) | ||
| Afghanistan | 41,931 | 28,513,6772 |
| Egypt | 111,937 | 76,117,4212 |
| Gaza strip | 1,948 | 1,324,9912 |
| Iran | 99,269 | 67,503,2052 |
| Iraq | 37,315 | 25,374,6912 |
| Israel | 9,116 | 6,199,0082 |
| Jordan | 8,251 | 5,611,2022 |
| Kuwait | 3,319 | 2,257,5492 |
| Lebanon | 5,554 | 3,777,2182 |
| Libya | 8,281 | 5,631,5852 |
| Saudi Arabia | 37,935 | 25,795,9382 |
| Syria | 26,495 | 18,016,8742 |
| Turkey | 101,314 | 68,893,9182 |
| United Arab Emirates | 3,711 | 2,523,9152 |
| West Bank | 3,398 | 2,311,2042 |
| Yemen | 29,448 | 20,024,8672 |
| Cataracts in South America (Extrapolated Statistics) | ||
| Belize | 401 | 272,9452 |
| Brazil | 270,736 | 184,101,1092 |
| Chile | 23,270 | 15,823,9572 |
| Colombia | 62,221 | 42,310,7752 |
| Guatemala | 21,000 | 14,280,5962 |
| Mexico | 154,352 | 104,959,5942 |
| Nicaragua | 7,881 | 5,359,7592 |
| Paraguay | 9,104 | 6,191,3682 |
| Peru | 40,506 | 27,544,3052 |
| Puerto Rico | 5,732 | 3,897,9602 |
| Venezuela | 36,790 | 25,017,3872 |
| Cataracts in Africa (Extrapolated Statistics) | ||
| Angola | 16,144 | 10,978,5522 |
| Botswana | 2,410 | 1,639,2312 |
| Central African Republic | 5,503 | 3,742,4822 |
| Chad | 14,027 | 9,538,5442 |
| Congo Brazzaville | 4,408 | 2,998,0402 |
| Congo kinshasa | 85,760 | 58,317,0302 |
| Ethiopia | 104,906 | 71,336,5712 |
| Ghana | 30,525 | 20,757,0322 |
| Kenya | 48,503 | 32,982,1092 |
| Liberia | 4,986 | 3,390,6352 |
| Niger | 16,706 | 11,360,5382 |
| Nigeria | 26,103 | 12,5750,3562 |
| Rwanda | 12,115 | 8,238,6732 |
| Senegal | 15,959 | 10,852,1472 |
| Sierra leone | 8,652 | 5,883,8892 |
| Somalia | 12,212 | 8,304,6012 |
| Sudan | 57,570 | 39,148,1622 |
| South Africa | 65,365 | 44,448,4702 |
| Swaziland | 1,719 | 1,169,2412 |
| Tanzania | 53,045 | 36,070,7992 |
| Uganda | 38,809 | 26,390,2582 |
| Zambia | 16,214 | 11,025,6902 |
| Zimbabwe | 5,399 | 1,2671,8602 |
Footnotes:
1. US Census Bureau, Population Estimates, 2004
2. US Census Bureau, International Data Base, 2004
Last revision: May 26, 2003
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