Statistics by Country for Stuttering
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About these extrapolations of prevalence and incidence statistics for Stuttering:
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 Stuttering 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 Stuttering 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 Stuttering in that region.
About prevalence and incidence statistics in general for Stuttering: The word 'prevalence' of Stuttering usually means the estimated population of people who are managing Stuttering at any given time (i.e. people with Stuttering). The term 'incidence' of Stuttering means the annual diagnosis rate, or the number of new cases of Stuttering diagnosed each year (i.e. getting Stuttering). 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 Stuttering: about 1% of adults
Prevalance Rate for Stuttering: approx 1 in 100 or 1.00% or 2.7 million people in USA [about data]
Extrapolation of Prevalence Rate of Stuttering to Countries and Regions: The following table attempts to extrapolate the above prevalence rate for Stuttering to the populations of various countries and regions. As discussed above, these prevalence extrapolations for Stuttering are only estimates and may have limited relevance to the actual prevalence of Stuttering in any region:
| Country/Region | Extrapolated Prevalence | Population Estimated Used |
| Stuttering in North America (Extrapolated Statistics) | ||
| USA | 2,936,554 | 293,655,4051 |
| Canada | 325,078 | 32,507,8742 |
| Stuttering in Europe (Extrapolated Statistics) | ||
| Austria | 81,747 | 8,174,7622 |
| Belgium | 103,482 | 10,348,2762 |
| Britain (United Kingdom) | 602,707 | 60,270,708 for UK2 |
| Czech Republic | 12,461 | 1,0246,1782 |
| Denmark | 54,133 | 5,413,3922 |
| Finland | 52,145 | 5,214,5122 |
| France | 604,242 | 60,424,2132 |
| Greece | 106,475 | 10,647,5292 |
| Germany | 824,246 | 82,424,6092 |
| Iceland | 2,939 | 293,9662 |
| Hungary | 100,323 | 10,032,3752 |
| Liechtenstein | 334 | 33,4362 |
| Ireland | 39,695 | 3,969,5582 |
| Italy | 580,574 | 58,057,4772 |
| Luxembourg | 4,626 | 462,6902 |
| Monaco | 322 | 32,2702 |
| Netherlands (Holland) | 163,181 | 16,318,1992 |
| Poland | 386,263 | 38,626,3492 |
| Portugal | 105,241 | 10,524,1452 |
| Spain | 402,807 | 40,280,7802 |
| Sweden | 89,864 | 8,986,4002 |
| Switzerland | 74,508 | 7,450,8672 |
| United Kingdom | 602,707 | 60,270,7082 |
| Wales | 29,180 | 2,918,0002 |
| Stuttering in the Balkans (Extrapolated Statistics) | ||
| Albania | 35,448 | 3,544,8082 |
| Bosnia and Herzegovina | 4,076 | 407,6082 |
| Croatia | 44,968 | 4,496,8692 |
| Macedonia | 20,400 | 2,040,0852 |
| Serbia and Montenegro | 108,259 | 10,825,9002 |
| Stuttering in Asia (Extrapolated Statistics) | ||
| Bangladesh | 1,413,404 | 141,340,4762 |
| Bhutan | 21,855 | 2,185,5692 |
| China | 12,988,476 | 1,298,847,6242 |
| East Timor | 10,192 | 1,019,2522 |
| Hong Kong s.a.r. | 68,551 | 6,855,1252 |
| India | 10,650,706 | 1,065,070,6072 |
| Indonesia | 2,384,529 | 238,452,9522 |
| Japan | 1,273,330 | 127,333,0022 |
| Laos | 60,681 | 6,068,1172 |
| Macau s.a.r. | 4,452 | 445,2862 |
| Malaysia | 235,224 | 23,522,4822 |
| Mongolia | 27,513 | 2,751,3142 |
| Philippines | 862,416 | 86,241,6972 |
| Papua New Guinea | 54,202 | 5,420,2802 |
| Vietnam | 826,628 | 82,662,8002 |
| Singapore | 43,538 | 4,353,8932 |
| Pakistan | 1,591,963 | 159,196,3362 |
| North Korea | 226,975 | 22,697,5532 |
| South Korea | 482,337 | 48,233,7602 |
| Sri Lanka | 199,051 | 19,905,1652 |
| Taiwan | 227,498 | 22,749,8382 |
| Thailand | 648,655 | 64,865,5232 |
| Stuttering in Eastern Europe (Extrapolated Statistics) | ||
| Azerbaijan | 78,683 | 7,868,3852 |
| Belarus | 103,105 | 10,310,5202 |
| Bulgaria | 75,179 | 7,517,9732 |
| Estonia | 13,416 | 1,341,6642 |
| Georgia | 46,938 | 4,693,8922 |
| Kazakhstan | 151,437 | 15,143,7042 |
| Latvia | 23,063 | 2,306,3062 |
| Lithuania | 36,078 | 3,607,8992 |
| Romania | 223,555 | 22,355,5512 |
| Russia | 1,439,740 | 143,974,0592 |
| Slovakia | 54,235 | 5,423,5672 |
| Slovenia | 20,114 | 2,011,473 2 |
| Tajikistan | 70,115 | 7,011,556 2 |
| Ukraine | 477,320 | 47,732,0792 |
| Uzbekistan | 264,104 | 26,410,4162 |
| Stuttering in Australasia and Southern Pacific (Extrapolated Statistics) | ||
| Australia | 199,131 | 19,913,1442 |
| New Zealand | 39,938 | 3,993,8172 |
| Stuttering in the Middle East (Extrapolated Statistics) | ||
| Afghanistan | 285,136 | 28,513,6772 |
| Egypt | 761,174 | 76,117,4212 |
| Gaza strip | 13,249 | 1,324,9912 |
| Iran | 675,032 | 67,503,2052 |
| Iraq | 253,746 | 25,374,6912 |
| Israel | 61,990 | 6,199,0082 |
| Jordan | 56,112 | 5,611,2022 |
| Kuwait | 22,575 | 2,257,5492 |
| Lebanon | 37,772 | 3,777,2182 |
| Libya | 56,315 | 5,631,5852 |
| Saudi Arabia | 257,959 | 25,795,9382 |
| Syria | 180,168 | 18,016,8742 |
| Turkey | 688,939 | 68,893,9182 |
| United Arab Emirates | 25,239 | 2,523,9152 |
| West Bank | 23,112 | 2,311,2042 |
| Yemen | 200,248 | 20,024,8672 |
| Stuttering in South America (Extrapolated Statistics) | ||
| Belize | 2,729 | 272,9452 |
| Brazil | 1,841,011 | 184,101,1092 |
| Chile | 158,239 | 15,823,9572 |
| Colombia | 423,107 | 42,310,7752 |
| Guatemala | 142,805 | 14,280,5962 |
| Mexico | 1,049,595 | 104,959,5942 |
| Nicaragua | 53,597 | 5,359,7592 |
| Paraguay | 61,913 | 6,191,3682 |
| Peru | 275,443 | 27,544,3052 |
| Puerto Rico | 38,979 | 3,897,9602 |
| Venezuela | 250,173 | 25,017,3872 |
| Stuttering in Africa (Extrapolated Statistics) | ||
| Angola | 109,785 | 10,978,5522 |
| Botswana | 16,392 | 1,639,2312 |
| Central African Republic | 37,424 | 3,742,4822 |
| Chad | 95,385 | 9,538,5442 |
| Congo Brazzaville | 29,980 | 2,998,0402 |
| Congo kinshasa | 583,170 | 58,317,0302 |
| Ethiopia | 713,365 | 71,336,5712 |
| Ghana | 207,570 | 20,757,0322 |
| Kenya | 329,821 | 32,982,1092 |
| Liberia | 33,906 | 3,390,6352 |
| Niger | 113,605 | 11,360,5382 |
| Nigeria | 177,503 | 12,5750,3562 |
| Rwanda | 82,386 | 8,238,6732 |
| Senegal | 108,521 | 10,852,1472 |
| Sierra leone | 58,838 | 5,883,8892 |
| Somalia | 83,046 | 8,304,6012 |
| Sudan | 391,481 | 39,148,1622 |
| South Africa | 444,484 | 44,448,4702 |
| Swaziland | 11,692 | 1,169,2412 |
| Tanzania | 360,707 | 36,070,7992 |
| Uganda | 263,902 | 26,390,2582 |
| Zambia | 110,256 | 11,025,6902 |
| Zimbabwe | 36,718 | 1,2671,8602 |
Footnotes:
1. US Census Bureau, Population Estimates, 2004
2. US Census Bureau, International Data Base, 2004
Last revision: Nov 3, 2003
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