| Country/Region | Extrapolated Incidence | Population Estimated Used |
| Periodontitis in North America (Extrapolated Statistics) |
| USA | 6,084,255 | 293,655,4051 |
| Canada | 673,531 WARNING! (Details) | 32,507,8742 |
| Mexico | 2,174,661 WARNING! (Details) | 104,959,5942 |
| Periodontitis in Central America (Extrapolated Statistics) |
| Belize | 5,655 WARNING! (Details) | 272,9452 |
| Guatemala | 295,880 WARNING! (Details) | 14,280,5962 |
| Nicaragua | 111,049 WARNING! (Details) | 5,359,7592 |
| Periodontitis in Caribbean (Extrapolated Statistics) |
| Puerto Rico | 80,761 WARNING! (Details) | 3,897,9602 |
| Periodontitis in South America (Extrapolated Statistics) |
| Brazil | 3,814,396 WARNING! (Details) | 184,101,1092 |
| Chile | 327,857 WARNING! (Details) | 15,823,9572 |
| Colombia | 876,638 WARNING! (Details) | 42,310,7752 |
| Paraguay | 128,279 WARNING! (Details) | 6,191,3682 |
| Peru | 570,691 WARNING! (Details) | 27,544,3052 |
| Venezuela | 518,336 WARNING! (Details) | 25,017,3872 |
| Periodontitis in Northern Europe (Extrapolated Statistics) |
| Denmark | 112,160 WARNING! (Details) | 5,413,3922 |
| Finland | 108,039 WARNING! (Details) | 5,214,5122 |
| Iceland | 6,090 WARNING! (Details) | 293,9662 |
| Sweden | 186,189 WARNING! (Details) | 8,986,4002 |
| Periodontitis in Western Europe (Extrapolated Statistics) |
| Britain (United Kingdom) | 1,248,750 WARNING! (Details) | 60,270,708 for UK2 |
| Belgium | 214,406 WARNING! (Details) | 10,348,2762 |
| France | 1,251,931 WARNING! (Details) | 60,424,2132 |
| Ireland | 82,245 WARNING! (Details) | 3,969,5582 |
| Luxembourg | 9,586 WARNING! (Details) | 462,6902 |
| Monaco | 668 WARNING! (Details) | 32,2702 |
| Netherlands (Holland) | 338,097 WARNING! (Details) | 16,318,1992 |
| United Kingdom | 1,248,750 WARNING! (Details) | 60,270,7082 |
| Wales | 60,458 WARNING! (Details) | 2,918,0002 |
| Periodontitis in Central Europe (Extrapolated Statistics) |
| Austria | 169,373 WARNING! (Details) | 8,174,7622 |
| Czech Republic | 25,819 WARNING! (Details) | 1,0246,1782 |
| Germany | 1,707,758 WARNING! (Details) | 82,424,6092 |
| Hungary | 207,861 WARNING! (Details) | 10,032,3752 |
| Liechtenstein | 692 WARNING! (Details) | 33,4362 |
| Poland | 800,300 WARNING! (Details) | 38,626,3492 |
| Slovakia | 112,371 WARNING! (Details) | 5,423,5672 |
| Slovenia | 41,675 WARNING! (Details) | 2,011,473 2 |
| Switzerland | 154,374 WARNING! (Details) | 7,450,8672 |
| Periodontitis in Eastern Europe (Extrapolated Statistics) |
| Belarus | 213,623 WARNING! (Details) | 10,310,5202 |
| Estonia | 27,797 WARNING! (Details) | 1,341,6642 |
| Latvia | 47,784 WARNING! (Details) | 2,306,3062 |
| Lithuania | 74,752 WARNING! (Details) | 3,607,8992 |
| Russia | 2,983,003 WARNING! (Details) | 143,974,0592 |
| Ukraine | 988,962 WARNING! (Details) | 47,732,0792 |
| Periodontitis in the Southwestern Europe (Extrapolated Statistics) |
| Azerbaijan | 163,025 WARNING! (Details) | 7,868,3852 |
| Portugal | 218,050 WARNING! (Details) | 10,524,1452 |
| Spain | 834,578 WARNING! (Details) | 40,280,7802 |
| Georgia | 97,252 WARNING! (Details) | 4,693,8922 |
| Periodontitis in the Southern Europe (Extrapolated Statistics) |
| Italy | 1,202,894 WARNING! (Details) | 58,057,4772 |
| Greece | 220,606 WARNING! (Details) | 10,647,5292 |
| Periodontitis in the Southeastern Europe (Extrapolated Statistics) |
| Albania | 73,444 WARNING! (Details) | 3,544,8082 |
| Bosnia and Herzegovina | 8,445 WARNING! (Details) | 407,6082 |
| Bulgaria | 155,765 WARNING! (Details) | 7,517,9732 |
| Croatia | 93,170 WARNING! (Details) | 4,496,8692 |
| Macedonia | 42,268 WARNING! (Details) | 2,040,0852 |
| Romania | 463,185 WARNING! (Details) | 22,355,5512 |
| Serbia and Montenegro | 224,302 WARNING! (Details) | 10,825,9002 |
| Periodontitis in Northern Asia (Extrapolated Statistics) |
| Mongolia | 57,004 WARNING! (Details) | 2,751,3142 |
| Periodontitis in Central Asia (Extrapolated Statistics) |
| Kazakhstan | 313,762 WARNING! (Details) | 15,143,7042 |
| Tajikistan | 145,272 WARNING! (Details) | 7,011,556 2 |
| Uzbekistan | 547,198 WARNING! (Details) | 26,410,4162 |
| Periodontitis in Eastern Asia (Extrapolated Statistics) |
| China | 26,910,865 WARNING! (Details) | 1,298,847,6242 |
| Hong Kong s.a.r. | 142,031 WARNING! (Details) | 6,855,1252 |
| Japan | 2,638,216 WARNING! (Details) | 127,333,0022 |
| Macau s.a.r. | 9,225 WARNING! (Details) | 445,2862 |
| North Korea | 470,271 WARNING! (Details) | 22,697,5532 |
| South Korea | 999,356 WARNING! (Details) | 48,233,7602 |
| Taiwan | 471,354 WARNING! (Details) | 22,749,8382 |
| Periodontitis in Southwestern Asia (Extrapolated Statistics) |
| Turkey | 1,427,415 WARNING! (Details) | 68,893,9182 |
| Periodontitis in Southern Asia (Extrapolated Statistics) |
| Afghanistan | 590,775 WARNING! (Details) | 28,513,6772 |
| Bangladesh | 2,928,437 WARNING! (Details) | 141,340,4762 |
| Bhutan | 45,282 WARNING! (Details) | 2,185,5692 |
| India | 22,067,232 WARNING! (Details) | 1,065,070,6072 |
| Pakistan | 3,298,394 WARNING! (Details) | 159,196,3362 |
| Sri Lanka | 412,415 WARNING! (Details) | 19,905,1652 |
| Periodontitis in Southeastern Asia (Extrapolated Statistics) |
| East Timor | 21,117 WARNING! (Details) | 1,019,2522 |
| Indonesia | 4,940,514 WARNING! (Details) | 238,452,9522 |
| Laos | 125,725 WARNING! (Details) | 6,068,1172 |
| Malaysia | 487,363 WARNING! (Details) | 23,522,4822 |
| Philippines | 1,786,844 WARNING! (Details) | 86,241,6972 |
| Singapore | 90,208 WARNING! (Details) | 4,353,8932 |
| Thailand | 1,343,950 WARNING! (Details) | 64,865,5232 |
| Vietnam | 1,712,693 WARNING! (Details) | 82,662,8002 |
| Periodontitis in the Middle East (Extrapolated Statistics) |
| Gaza strip | 27,452 WARNING! (Details) | 1,324,9912 |
| Iran | 1,398,601 WARNING! (Details) | 67,503,2052 |
| Iraq | 525,739 WARNING! (Details) | 25,374,6912 |
| Israel | 128,437 WARNING! (Details) | 6,199,0082 |
| Jordan | 116,258 WARNING! (Details) | 5,611,2022 |
| Kuwait | 46,774 WARNING! (Details) | 2,257,5492 |
| Lebanon | 78,260 WARNING! (Details) | 3,777,2182 |
| Saudi Arabia | 534,466 WARNING! (Details) | 25,795,9382 |
| Syria | 373,292 WARNING! (Details) | 18,016,8742 |
| United Arab Emirates | 52,293 WARNING! (Details) | 2,523,9152 |
| West Bank | 47,885 WARNING! (Details) | 2,311,2042 |
| Yemen | 414,895 WARNING! (Details) | 20,024,8672 |
| Periodontitis in Northern Africa (Extrapolated Statistics) |
| Egypt | 1,577,079 WARNING! (Details) | 76,117,4212 |
| Libya | 116,680 WARNING! (Details) | 5,631,5852 |
| Sudan | 811,112 WARNING! (Details) | 39,148,1622 |
| Periodontitis in Western Africa (Extrapolated Statistics) |
| Congo Brazzaville | 62,116 WARNING! (Details) | 2,998,0402 |
| Ghana | 430,065 WARNING! (Details) | 20,757,0322 |
| Liberia | 70,250 WARNING! (Details) | 3,390,6352 |
| Niger | 235,379 WARNING! (Details) | 11,360,5382 |
| Nigeria | 367,770 WARNING! (Details) | 12,5750,3562 |
| Senegal | 224,845 WARNING! (Details) | 10,852,1472 |
| Sierra leone | 121,908 WARNING! (Details) | 5,883,8892 |
| Periodontitis in Central Africa (Extrapolated Statistics) |
| Central African Republic | 77,540 WARNING! (Details) | 3,742,4822 |
| Chad | 197,629 WARNING! (Details) | 9,538,5442 |
| Congo kinshasa | 1,208,272 WARNING! (Details) | 58,317,0302 |
| Rwanda | 170,697 WARNING! (Details) | 8,238,6732 |
| Periodontitis in Eastern Africa (Extrapolated Statistics) |
| Ethiopia | 1,478,024 WARNING! (Details) | 71,336,5712 |
| Kenya | 683,357 WARNING! (Details) | 32,982,1092 |
| Somalia | 172,063 WARNING! (Details) | 8,304,6012 |
| Tanzania | 747,352 WARNING! (Details) | 36,070,7992 |
| Uganda | 546,780 WARNING! (Details) | 26,390,2582 |
| Periodontitis in Southern Africa (Extrapolated Statistics) |
| Angola | 227,464 WARNING! (Details) | 10,978,5522 |
| Botswana | 33,963 WARNING! (Details) | 1,639,2312 |
| South Africa | 920,929 WARNING! (Details) | 44,448,4702 |
| Swaziland | 24,225 WARNING! (Details) | 1,169,2412 |
| Zambia | 228,441 WARNING! (Details) | 11,025,6902 |
| Zimbabwe | 76,077 WARNING! (Details) | 1,2671,8602 |
| Periodontitis in Oceania (Extrapolated Statistics) |
| Australia | 412,581 WARNING! (Details) | 19,913,1442 |
| New Zealand | 82,748 WARNING! (Details) | 3,993,8172 |
| Papua New Guinea | 112,302 WARNING! (Details) | 5,420,2802 |
The word 'prevalence' of Periodontitis usually means the estimated population
of people who are managing Periodontitis at any given time (i.e. people with Periodontitis).
The term 'incidence' of Periodontitis means the annual diagnosis rate,
or the number of new cases of Periodontitis diagnosed each year (i.e. getting Periodontitis).
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.