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, femmes (%)

1990200020052010201120122013201420152016
Australie15,820,523,025,425,926,426,927,427,928,4
Brunei Darussalam6,29,110,913,013,413,914,314,815,315,7
Chine1,72,93,85,05,25,55,76,06,26,5
Fidji20,326,529,332,032,633,133,634,234,735,3
Micronésie (États fédérés de)35,241,544,547,748,349,049,650,250,951,5
Indonésie1,93,85,16,67,07,37,78,18,58,9
Japon1,82,22,63,13,23,33,43,53,63,7
Cambodge1,12,02,63,53,73,94,14,34,64,8
Kiribati32,640,544,247,247,748,248,849,349,850,4
République de Corée2,33,43,84,24,34,44,54,64,74,8
République démocratique populaire du Laos1,32,43,44,75,05,35,76,06,36,7
Îles Marshall44,450,152,554,855,255,756,156,556,957,3
Myanmar1,83,14,05,35,65,96,26,56,97,3
Mongolie11,314,416,619,520,120,821,422,022,623,2
Malaisie5,49,311,914,515,115,616,216,817,417,9
Nauru56,459,360,661,962,162,462,662,963,163,3
Nouvelle-Zélande17,822,825,428,128,729,229,830,330,931,4
Philippines2,64,25,06,06,26,56,77,07,27,5
Palau45,650,653,256,156,657,157,658,058,458,8
Papouasie-Nouvelle-Guinée12,617,019,522,222,823,423,924,525,125,8
République populaire démocratique de Corée3,74,85,56,26,46,56,76,97,17,3
Singapour4,95,35,65,96,06,06,16,26,36,3
Îles Salomon12,717,720,423,424,024,625,225,826,527,1
Thaïlande3,25,37,09,39,910,411,011,512,112,7
Timor oriental1,12,02,63,53,73,94,14,44,64,9
Tonga37,644,747,951,051,652,252,853,453,954,5
Tuvalu37,745,849,252,553,253,854,455,055,656,2
Vietnam0,50,91,21,71,92,02,12,32,42,6
Vanuatu14,620,223,226,326,927,528,228,829,430,1
Samoa38,245,548,751,752,252,853,453,954,555,0
Albanie11,714,716,618,919,419,920,420,821,321,8
Andorre22,123,824,424,824,925,025,125,125,225,3
Arménie14,116,818,420,420,821,221,722,122,623,0
Autriche10,813,515,016,416,717,017,317,718,018,3
Azerbaïdjan12,515,617,620,120,721,221,822,423,023,6
Belgique15,217,518,719,719,920,120,320,520,721,0
Bulgarie17,619,821,022,522,823,123,423,724,024,3
Bosnie-Herzégovine11,814,015,216,516,817,117,417,818,118,4
Biélorussie19,822,423,624,925,125,325,625,826,026,3
Suisse9,612,814,115,315,515,816,116,316,616,9
Chypre14,417,719,120,220,520,720,921,121,421,6
République tchèque21,222,323,124,024,324,524,725,025,225,4
Allemagne13,015,817,218,618,919,219,519,820,120,4
Danemark11,013,214,315,515,716,016,216,516,717,0
Espagne16,419,120,321,421,721,922,122,322,522,8
Estonie19,019,620,220,821,021,121,321,421,621,8
Finlande12,816,117,618,919,219,519,720,020,320,6
France14,016,718,119,519,720,020,320,520,821,1
Royaume-Uni15,620,122,725,426,026,527,027,628,128,6
Géorgie12,715,917,820,320,821,422,022,523,123,8
Grèce17,720,822,323,724,024,324,624,925,125,4
Croatie16,519,020,522,222,622,923,323,724,124,5
Hongrie18,319,821,022,522,923,223,623,924,324,6
Irelande11,816,519,222,022,523,123,724,324,925,5
Islande13,115,716,918,118,318,518,718,919,219,4
Italie13,515,917,118,218,418,618,919,119,319,5
Kazakhstan12,515,717,619,720,220,721,121,622,122,7
Kirghizstan8,711,313,115,415,916,417,017,518,118,6
Lituanie23,525,125,826,626,827,027,227,427,627,8
Luxembourg12,715,717,318,919,219,519,820,120,420,7
Lettonie21,522,623,324,124,224,424,624,824,925,1
République de Moldavie15,517,518,419,619,820,020,320,620,821,1
North Macedonia16,018,419,320,420,720,921,221,521,822,1
Monténégro13,417,619,621,321,621,922,222,522,823,1
Pays-Bas10,213,916,017,918,318,719,019,319,720,0
Norvège13,216,818,620,420,821,121,521,822,222,5
Pologne16,918,619,620,720,921,221,421,721,922,2
Portugal11,215,117,119,019,419,820,120,520,921,2
Roumanie14,817,218,319,720,020,320,620,921,321,6
Fédération de Russie23,524,625,226,026,126,326,426,626,726,9
Serbie14,517,118,520,020,320,620,921,221,521,8
Slovaquie14,416,317,318,418,718,919,119,419,719,9
Slovénie14,916,918,119,319,619,920,120,420,721,0
Suède11,413,915,116,416,716,917,217,517,818,1
Tadjikistan7,69,711,413,514,014,515,015,516,116,7
Turkménistan9,913,015,117,518,118,619,219,820,320,9
Turquie22,729,232,235,436,036,737,337,938,639,2
Ukraine20,822,523,424,424,624,825,025,225,525,7
Ouzbékistan9,011,613,515,716,216,717,317,818,419,0
Argentine18,322,124,226,326,727,227,628,128,529,0
Antigua-et-Barbuda14,018,220,422,723,223,724,224,825,325,9
Bahamas25,930,933,235,435,836,336,737,237,638,1
Belize18,323,025,628,128,729,229,830,330,931,5
Bolivie13,017,820,122,523,023,524,024,525,025,6
Brésil13,117,820,122,522,923,423,924,424,925,4
Barbade16,821,724,627,628,228,829,430,030,731,3
Chili19,823,826,028,228,729,129,630,030,531,0
Colombie15,419,521,623,824,324,725,225,726,126,6
Costa Rica13,319,122,526,226,927,628,329,029,730,4
Cuba19,023,325,527,628,128,529,029,429,930,3
Dominique20,426,729,432,232,733,333,934,435,035,6
République dominicaine16,722,225,829,630,431,231,932,733,434,1
Équateur13,217,519,721,922,422,823,323,724,224,7
Grenade14,119,322,225,225,826,527,127,728,429,0
Guatemala12,617,320,022,823,424,024,625,225,826,4
Guyana13,117,520,223,123,824,425,125,726,427,1
Honduras12,117,019,922,923,624,224,925,526,226,9
Haïti9,314,618,022,122,923,724,525,326,126,9
Jamaïque18,223,726,729,730,330,931,632,232,833,4
Saint-Kitts-et-Nevis15,720,423,126,126,827,428,128,729,430,1
Sainte-Lucie13,718,721,023,223,724,324,925,626,327,0
Mexique20,024,927,329,830,330,831,331,832,332,8
Nicaragua15,720,322,925,626,126,727,227,828,429,0
Panama14,019,121,824,424,925,426,026,527,127,6
Pérou14,217,719,621,622,022,422,923,323,724,2
Paraguay10,415,117,620,220,721,321,822,322,923,4
Salvador14,019,722,625,526,126,627,227,828,428,9
Suriname21,425,928,330,731,231,732,232,733,233,7
Trinité-et-Tobago10,315,518,521,722,423,123,824,525,326,0
Uruguay19,723,725,828,028,428,829,329,730,130,6
Saint-Vincent-et-les-Grenadines15,120,823,927,127,728,429,029,730,431,0
Venezuela (République bolivarienne du)19,223,124,926,626,927,227,627,928,328,6
Émirats arabes unis28,932,735,237,938,438,939,540,040,541,0
Bahreïn27,330,732,434,334,735,135,636,036,436,8
Djibouti10,913,314,716,316,616,917,317,618,018,3
Algérie18,124,227,530,931,532,232,933,634,234,9
Égypte25,230,633,737,037,638,339,039,740,441,1
Iran17,623,025,828,729,329,930,531,131,732,2
Irak25,329,131,333,734,334,835,335,936,437,0
Israël20,623,124,225,125,325,525,725,926,126,2
Jordanie28,234,937,440,040,541,041,542,042,543,1
Koweït36,139,541,343,243,644,044,444,845,245,6
Liban25,630,132,234,334,735,235,636,136,537,0
Libye27,731,834,036,537,037,538,038,639,139,6
Maroc16,722,325,128,128,829,530,130,831,532,2
Malte22,224,826,227,327,527,727,928,128,328,5
Oman18,224,727,129,930,531,131,832,433,133,7
Qatar31,436,038,140,340,841,341,742,242,643,1
Arabie saoudite28,534,036,539,139,640,140,741,241,742,3
République arabe syrienne19,624,827,730,831,532,132,833,434,134,8
Tunisie19,625,428,130,931,432,032,633,133,734,3
Yémen8,212,515,118,018,619,319,920,621,322,0
Canada15,920,923,626,226,727,227,728,328,829,3
États-Unis d'Amérique20,226,930,233,333,934,535,135,736,437,0
Afghanistan1,93,44,45,76,06,36,67,07,37,6
Bangladesh1,12,02,73,63,84,04,24,44,75,0
Bhoutan1,83,64,96,46,77,17,47,88,18,5
Inde1,32,33,03,84,04,24,44,64,85,1
Sri Lanka2,03,24,25,45,75,96,36,66,97,3
Maldives2,84,66,18,38,89,39,810,310,811,4
Népal1,12,23,03,94,14,44,64,95,15,4
Pakistan3,45,67,08,79,19,59,910,410,811,3
Angola3,25,67,39,39,710,210,611,111,612,1
Burundi2,23,84,96,46,77,17,47,88,28,6
Bénin4,67,59,311,411,812,312,713,213,714,2
Burkina Faso1,83,24,35,86,16,56,97,37,78,1
Botswana13,121,324,126,527,027,527,928,428,929,3
République centrafricaine4,05,97,28,79,09,49,710,110,510,9
Côte d'Ivoire5,38,110,012,212,713,213,714,214,715,2
Cameroun5,58,911,013,413,914,414,915,415,916,4
République démocratique du Congo2,84,65,97,47,88,18,58,99,39,7
Congo5,37,89,411,111,511,912,312,713,113,5
Comores4,36,57,99,610,010,410,811,311,712,2
Cap Vert4,99,011,113,413,914,414,815,315,816,3
Érythrée2,13,44,45,65,96,26,56,97,27,6
Éthiopie1,83,14,05,15,45,75,96,36,66,9
Gabon8,813,515,717,918,318,719,119,519,920,3
Ghana5,49,011,213,614,114,615,115,616,116,6
Guinée3,65,77,29,09,49,810,210,611,011,5
Gambie4,37,69,611,912,412,913,313,814,314,8
Guinée-Bissau3,66,68,510,711,211,712,112,613,113,7
Guinée équatoriale4,27,08,510,210,510,911,311,712,212,6
Kenya3,25,26,78,58,99,39,710,210,611,1
Liberia6,38,39,711,512,012,412,813,313,714,2
Lesotho11,016,319,422,723,324,024,725,326,026,7
Madagascar2,03,44,35,65,96,26,56,87,27,5
Mali3,45,77,49,59,910,410,911,411,912,4
Mozambique3,15,56,88,38,79,09,49,710,110,5
Mauritanie6,110,312,715,315,816,316,917,417,918,5
Maurice7,410,111,613,313,714,014,414,815,215,7
Malawi2,54,25,56,97,37,68,08,38,79,1
Namibie10,815,318,121,422,022,723,424,124,725,4
Niger2,44,05,26,66,97,27,67,98,38,7
Nigeria3,66,27,910,110,611,011,512,012,513,1
Rwanda2,03,85,16,87,27,68,08,48,99,3
Sénégal4,87,28,710,510,811,211,612,012,512,9
Sierra Leone4,67,18,710,611,011,511,912,312,813,3
Somalie4,16,47,99,710,110,510,911,411,812,3
Sao Tomé-et-Principe5,49,111,513,914,414,915,415,916,416,9
Eswatini13,117,620,122,723,223,824,425,025,626,2
Seychelles9,813,015,117,417,918,418,919,420,020,5
Tchad2,74,45,56,97,27,57,98,28,58,9
Togo3,86,37,99,810,310,711,111,612,012,5
République unie de Tanzanie3,55,97,59,610,110,611,111,612,112,7
Ouganda2,43,95,06,56,87,17,57,88,28,6
Afrique du Sud24,230,233,236,236,837,337,938,539,039,6
Zambie5,16,78,09,810,210,611,111,512,012,4
Zimbabwe12,918,020,422,623,023,523,924,424,825,3