Overweight and obesity are defined as abnormal or excessive fat accumulation that presents a risk to health. A crude population measure of obesity is the body mass index (BMI), a person’s weight (in kilograms) divided by the square of his or her height (in metres). A person with a BMI of 30 or more is generally considered obese. A person with a BMI equal to or more than 25 is considered overweight. Overweight and obesity are major risk factors for a number of chronic diseases, including diabetes, cardiovascular diseases and cancer. Once considered a problem only in high income countries, overweight and obesity are now dramatically on the rise in low- and middle-income countries, particularly in urban settings.

Prévalence de l'obésité chez les adultes, hommes (%)

1990200020052010201120122013201420152016
Australie14,719,922,925,826,427,027,728,328,929,6
Brunei Darussalam2,95,37,19,39,810,310,811,311,912,5
Chine0,81,82,63,94,24,54,85,15,55,9
Fidji10,315,418,221,121,722,423,023,724,425,1
Micronésie (États fédérés de)21,527,831,235,135,936,837,638,439,340,1
Indonésie0,51,32,13,13,33,63,84,14,54,8
Japon1,21,92,53,53,73,94,14,34,64,8
Cambodge0,40,91,31,81,92,12,22,42,52,7
Kiribati21,329,233,537,237,938,739,440,140,841,6
République de Corée1,22,32,83,53,63,83,94,14,34,4
République démocratique populaire du Laos0,40,91,42,22,42,72,93,23,43,7
Îles Marshall30,137,340,844,345,045,746,447,147,748,4
Myanmar0,61,21,82,62,83,03,23,53,84,0
Mongolie6,08,610,613,514,114,815,416,116,817,5
Malaisie2,24,86,99,49,910,511,111,712,313,0
Nauru45,750,853,455,956,456,857,357,858,258,7
Nouvelle-Zélande14,920,223,226,226,927,528,128,829,430,1
Philippines1,22,33,03,84,04,34,54,75,05,2
Palau32,539,343,147,448,249,049,750,451,151,8
Papouasie-Nouvelle-Guinée6,59,411,313,413,914,415,015,516,016,6
République populaire démocratique de Corée1,83,03,74,74,95,15,35,65,86,1
Singapour2,53,44,14,84,95,15,35,55,65,8
Îles Salomon6,19,411,614,214,815,416,016,617,317,9
Thaïlande1,02,02,94,44,85,25,66,06,57,0
Timor oriental0,30,81,11,71,81,92,12,32,42,6
Tonga21,929,032,736,637,438,239,039,840,641,4
Tuvalu24,032,937,141,742,643,544,445,346,247,0
Vietnam0,20,40,60,91,01,11,21,31,51,6
Vanuatu7,411,313,716,417,017,618,218,919,520,2
Samoa21,228,332,035,536,337,037,738,539,239,9
Albanie7,911,714,317,418,118,819,520,220,921,6
Andorre16,920,622,323,924,224,524,825,225,525,9
Arménie8,210,912,514,414,815,215,716,116,617,1
Autriche10,414,316,518,819,319,820,320,821,321,9
Azerbaïdjan6,69,010,612,713,213,714,214,715,315,8
Belgique12,616,318,320,420,821,321,722,222,623,1
Bulgarie13,017,119,522,122,723,223,824,424,925,5
Bosnie-Herzégovine7,710,812,614,514,915,315,816,216,717,1
Biélorussie10,214,316,619,119,620,120,621,121,622,1
Suisse10,114,816,919,219,720,220,621,221,722,2
Chypre10,815,017,219,219,620,120,520,921,421,9
République tchèque16,019,421,423,624,024,524,925,425,926,4
Allemagne12,316,518,721,121,622,122,623,123,624,2
Danemark10,914,816,919,319,820,220,821,321,822,3
Espagne13,117,319,521,722,222,723,123,624,124,6
Estonie11,414,316,017,918,318,719,119,519,920,3
Finlande11,716,418,620,921,321,822,222,723,223,7
France11,014,816,919,219,620,120,521,021,522,0
Royaume-Uni12,417,119,923,023,624,324,925,526,226,9
Géorgie8,111,113,015,516,116,617,317,918,519,2
Grèce11,916,018,420,921,422,022,523,023,624,2
Croatie11,715,718,020,621,221,822,322,923,524,1
Hongrie15,219,121,524,425,025,626,326,927,528,2
Irelande10,715,418,221,221,822,423,123,724,425,1
Islande12,116,418,721,121,622,122,623,123,724,2
Italie10,514,015,917,818,218,518,919,319,720,1
Kazakhstan8,511,713,615,716,216,717,217,818,318,9
Kirghizstan5,47,69,211,111,612,012,513,013,514,0
Lituanie13,517,319,221,421,822,322,723,223,724,2
Luxembourg11,615,918,521,121,722,222,823,323,924,5
Lettonie11,815,016,918,919,419,820,220,721,121,6
République de Moldavie7,410,311,913,714,114,514,915,315,716,2
North Macedonia11,715,717,619,720,220,621,121,622,122,6
Monténégro9,214,517,420,220,721,221,722,222,723,3
Pays-Bas7,812,014,617,418,018,519,119,720,220,8
Norvège10,515,017,620,220,821,321,922,423,023,6
Pologne12,316,018,220,621,121,622,122,623,223,7
Portugal7,812,014,417,017,518,118,619,219,820,3
Roumanie11,015,017,219,820,320,921,522,122,723,4
Fédération de Russie9,212,013,715,616,016,416,817,217,618,1
Serbie9,813,715,918,218,619,119,620,120,621,1
Slovaquie10,914,416,318,318,719,219,620,020,521,0
Slovénie9,713,014,816,817,217,618,118,518,919,4
Suède11,215,217,519,920,420,921,422,022,523,1
Tadjikistan4,56,17,49,09,49,810,210,611,111,6
Turkménistan6,18,610,512,713,213,714,214,715,315,9
Turquie9,414,417,120,220,921,522,222,923,624,4
Ukraine11,314,816,819,019,520,020,521,021,522,0
Ouzbékistan5,57,69,111,011,411,812,312,813,313,8
Argentine14,619,121,524,124,625,125,726,226,827,3
Antigua-et-Barbuda4,66,88,19,59,810,110,510,811,211,6
Bahamas11,315,918,421,021,522,122,623,223,824,4
Belize6,69,711,613,614,014,515,015,516,016,5
Bolivie5,18,29,911,912,312,713,113,614,014,5
Brésil7,011,013,215,516,016,517,017,518,018,5
Barbade5,48,19,911,812,312,713,213,714,214,7
Chili13,017,119,421,822,322,823,323,824,424,9
Colombie7,210,712,614,715,215,616,116,617,117,6
Costa Rica6,210,513,416,717,418,118,919,620,321,1
Cuba7,711,313,415,716,216,717,317,818,418,9
Dominique7,311,713,916,417,017,518,118,719,319,9
République dominicaine6,29,912,716,217,017,818,619,420,221,0
Équateur5,68,810,512,412,713,213,614,014,414,9
Grenade4,47,18,810,711,111,511,912,412,913,3
Guatemala5,28,210,012,112,613,113,514,014,515,1
Guyana4,16,37,99,810,210,611,111,612,112,7
Honduras4,98,110,112,412,913,414,014,515,115,6
Haïti3,66,99,412,913,714,515,416,217,117,9
Jamaïque5,07,89,812,012,513,013,614,114,715,3
Saint-Kitts-et-Nevis5,48,19,912,112,613,113,614,114,715,3
Sainte-Lucie4,36,98,29,59,810,210,611,011,512,0
Mexique11,416,118,621,121,622,222,723,223,824,3
Nicaragua7,110,512,614,815,315,816,316,817,417,9
Panama6,410,312,514,815,315,716,216,717,317,8
Pérou6,49,310,912,813,113,513,914,314,815,2
Paraguay5,99,611,814,114,615,115,616,116,617,1
Salvador6,410,613,115,616,116,617,217,718,318,9
Suriname8,211,713,716,016,416,917,417,918,418,9
Trinité-et-Tobago3,25,46,88,48,89,29,59,910,410,8
Uruguay12,816,919,321,722,322,823,323,824,424,9
Saint-Vincent-et-les-Grenadines5,18,410,513,013,614,114,715,315,916,6
Venezuela (République bolivarienne du)11,415,717,819,920,320,721,121,522,022,4
Émirats arabes unis13,817,720,423,524,124,825,426,126,827,5
Bahreïn13,617,619,722,222,723,223,824,424,925,5
Djibouti3,65,26,17,17,37,67,88,18,38,6
Algérie6,310,312,915,816,517,117,818,519,219,9
Égypte9,713,515,918,719,420,020,621,322,022,7
Iran6,510,312,815,516,116,717,318,018,619,3
Irak11,415,017,219,720,320,921,522,122,823,4
Israël14,718,821,023,123,624,024,524,925,425,9
Jordanie12,518,521,224,224,825,526,126,827,528,2
Koweït19,624,126,729,530,130,731,332,032,633,3
Liban13,718,621,123,824,424,925,526,226,827,4
Libye12,216,218,521,221,822,423,023,624,325,0
Maroc6,710,612,815,516,116,717,418,018,719,4
Malte16,721,223,726,226,727,127,628,128,629,2
Oman8,013,315,618,619,320,020,721,422,222,9
Qatar16,922,325,228,329,029,730,431,131,832,5
Arabie saoudite14,420,123,126,427,127,828,529,330,030,8
République arabe syrienne7,911,714,116,917,518,118,819,520,220,9
Tunisie6,910,813,115,616,116,717,317,918,519,1
Yémen2,95,16,78,89,29,710,310,811,412,0
Canada14,419,922,925,826,427,027,628,228,829,5
États-Unis d'Amérique17,024,027,731,231,932,633,334,034,735,5
Afghanistan0,61,21,62,22,42,52,72,83,03,2
Bangladesh0,30,71,01,51,61,71,82,02,12,3
Bhoutan0,71,52,33,23,53,73,94,24,44,7
Inde0,51,01,31,92,02,12,32,42,62,7
Sri Lanka0,50,91,31,92,02,22,32,52,72,9
Maldives0,81,52,33,63,94,34,65,05,45,8
Népal0,40,91,31,82,02,12,22,42,52,7
Pakistan1,32,43,24,34,54,85,15,45,76,0
Angola0,71,42,02,82,93,13,33,63,84,0
Burundi0,50,81,11,51,61,71,81,92,02,1
Bénin1,12,12,73,53,63,84,04,24,54,7
Burkina Faso0,40,81,21,71,82,02,12,22,42,6
Botswana1,63,95,16,46,66,97,27,57,88,1
République centrafricaine1,01,72,12,72,93,03,23,33,53,7
Côte d'Ivoire1,42,43,24,24,44,74,95,25,55,8
Cameroun1,42,63,54,54,85,05,35,55,86,1
République démocratique du Congo0,71,41,92,52,72,83,03,23,43,6
Congo1,42,43,14,14,34,54,75,05,25,5
Comores1,01,62,02,52,62,72,93,03,13,3
Cap Vert1,22,93,95,15,45,65,96,26,66,9
Érythrée0,50,81,11,41,51,61,71,81,92,0
Éthiopie0,40,81,01,31,41,51,61,71,81,9
Gabon2,44,76,17,67,98,38,68,99,39,6
Ghana0,91,92,53,33,53,73,94,14,34,5
Guinée0,91,52,02,72,83,03,13,33,53,7
Gambie1,02,13,04,04,34,54,85,15,35,6
Guinée-Bissau0,81,82,63,53,74,04,24,54,75,0
Guinée équatoriale0,91,82,22,83,03,13,33,43,63,8
Kenya0,61,11,52,02,12,32,42,52,72,8
Liberia1,82,73,34,14,34,54,85,05,25,5
Lesotho0,91,82,43,33,53,73,94,14,44,6
Madagascar0,61,21,52,12,22,32,52,62,83,0
Mali0,91,62,33,13,33,63,84,04,34,6
Mozambique0,71,51,92,52,62,72,83,03,13,3
Mauritanie1,42,83,84,95,25,45,76,06,36,6
Maurice2,23,33,94,64,74,95,05,25,45,6
Malawi0,50,91,21,61,71,81,92,02,12,2
Namibie1,62,83,85,25,55,96,36,77,17,5
Niger0,61,01,31,71,82,02,12,22,32,5
Nigeria0,91,72,43,23,43,63,94,14,34,6
Rwanda0,30,60,91,31,41,51,61,71,81,9
Sénégal1,11,92,43,03,13,33,43,63,84,0
Sierra Leone0,91,72,22,82,93,13,23,43,63,8
Somalie1,01,72,22,93,03,23,43,53,73,9
Sao Tomé-et-Principe1,42,94,05,35,65,96,26,56,97,2
Eswatini1,52,63,24,14,34,54,74,95,15,4
Seychelles2,74,04,95,96,26,46,77,07,37,6
Tchad0,81,31,82,32,42,52,62,82,93,1
Togo0,91,62,12,82,93,13,33,53,73,9
République unie de Tanzanie0,81,62,12,83,03,13,33,53,74,0
Ouganda0,40,81,01,31,41,51,51,61,71,8
Afrique du Sud4,57,69,612,012,513,013,614,214,815,4
Zambie1,21,62,02,62,72,93,03,23,43,6
Zimbabwe1,32,43,13,73,94,04,24,44,54,7