why most developed countries have more numbers of depressed people?

People in developed countries enjoy lot of facilities that people in undeveloped countries cannot even imagine. They have all resources to fullfil their basic needs to luxury. But as shown in below table, people are more depreesed than undeveloped countries? if people are not happy to get all these things then what makes people really happy?

Country/Region Extrapolated Prevalence Population Estimated Used
Depression in North America (Extrapolated Statistics)
USA 15,563,737 293,655,4051
Canada 1,722,917 WARNING! (Details) 32,507,8742
Mexico 5,562,858 WARNING! (Details) 104,959,5942
Depression in Central America (Extrapolated Statistics)
Belize 14,466 WARNING! (Details) 272,9452
Guatemala 756,871 WARNING! (Details) 14,280,5962
Nicaragua 284,067 WARNING! (Details) 5,359,7592
Depression in Caribbean (Extrapolated Statistics)
Puerto Rico 206,591 WARNING! (Details) 3,897,9602
Depression in South America (Extrapolated Statistics)
Brazil 9,757,359 WARNING! (Details) 184,101,1092
Chile 838,669 WARNING! (Details) 15,823,9572
Colombia 2,242,471 WARNING! (Details) 42,310,7752
Paraguay 328,142 WARNING! (Details) 6,191,3682
Peru 1,459,848 WARNING! (Details) 27,544,3052
Venezuela 1,325,921 WARNING! (Details) 25,017,3872
Depression in Northern Europe (Extrapolated Statistics)
Denmark 286,909 WARNING! (Details) 5,413,3922
Finland 276,369 WARNING! (Details) 5,214,5122
Iceland 15,580 WARNING! (Details) 293,9662
Sweden 476,279 WARNING! (Details) 8,986,4002
Depression in Western Europe (Extrapolated Statistics)
Britain (United Kingdom) 3,194,347 WARNING! (Details) 60,270,708 for UK2
Belgium 548,458 WARNING! (Details) 10,348,2762
France 3,202,483 WARNING! (Details) 60,424,2132
Ireland 210,386 WARNING! (Details) 3,969,5582
Luxembourg 24,522 WARNING! (Details) 462,6902
Monaco 1,710 WARNING! (Details) 32,2702
Netherlands (Holland) 864,864 WARNING! (Details) 16,318,1992
United Kingdom 3,194,347 WARNING! (Details) 60,270,7082
Wales 154,654 WARNING! (Details) 2,918,0002
Depression in Central Europe (Extrapolated Statistics)
Austria 433,262 WARNING! (Details) 8,174,7622
Czech Republic 66,047 WARNING! (Details) 1,0246,1782
Germany 4,368,504 WARNING! (Details) 82,424,6092
Hungary 531,715 WARNING! (Details) 10,032,3752
Liechtenstein 1,772 WARNING! (Details) 33,4362
Poland 2,047,196 WARNING! (Details) 38,626,3492
Slovakia 287,449 WARNING! (Details) 5,423,5672
Slovenia 106,608 WARNING! (Details) 2,011,473 2
Switzerland 394,895 WARNING! (Details) 7,450,8672
Depression in Eastern Europe (Extrapolated Statistics)
Belarus 546,457 WARNING! (Details) 10,310,5202
Estonia 71,108 WARNING! (Details) 1,341,6642
Latvia 122,234 WARNING! (Details) 2,306,3062
Lithuania 191,218 WARNING! (Details) 3,607,8992
Russia 7,630,625 WARNING! (Details) 143,974,0592
Ukraine 2,529,800 WARNING! (Details) 47,732,0792
Depression in the Southwestern Europe (Extrapolated Statistics)
Azerbaijan 417,024 WARNING! (Details) 7,868,3852
Georgia 248,776 WARNING! (Details) 4,693,8922
Portugal 557,779 WARNING! (Details) 10,524,1452
Spain 2,134,881 WARNING! (Details) 40,280,7802
Depression in Southern Europe (Extrapolated Statistics)
Greece 564,319 WARNING! (Details) 10,647,5292
Italy 3,077,046 WARNING! (Details) 58,057,4772
Depression in the Southeastern Europe (Extrapolated Statistics)
Albania 187,874 WARNING! (Details) 3,544,8082
Bosnia and Herzegovina 21,603 WARNING! (Details) 407,6082
Bulgaria 398,452 WARNING! (Details) 7,517,9732
Croatia 238,334 WARNING! (Details) 4,496,8692
Macedonia 108,124 WARNING! (Details) 2,040,0852
Romania 1,184,844 WARNING! (Details) 22,355,5512
Serbia and Montenegro 573,772 WARNING! (Details) 10,825,9002
Depression in Northern Asia (Extrapolated Statistics)
Mongolia 145,819 WARNING! (Details) 2,751,3142
Depression in Central Asia (Extrapolated Statistics)
Kazakhstan 802,616 WARNING! (Details) 15,143,7042
Tajikistan 371,612 WARNING! (Details) 7,011,556 2
Uzbekistan 1,399,752 WARNING! (Details) 26,410,4162
Depression in Eastern Asia (Extrapolated Statistics)
China 68,838,926 WARNING! (Details) 1,298,847,6242
Hong Kong s.a.r. 363,321 WARNING! (Details) 6,855,1252
Japan 6,748,649 WARNING! (Details) 127,333,0022
Macau s.a.r. 23,600 WARNING! (Details) 445,2862
North Korea 1,202,970 WARNING! (Details) 22,697,5532
South Korea 2,556,389 WARNING! (Details) 48,233,7602
Taiwan 1,205,741 WARNING! (Details) 22,749,8382
Depression in Southwestern Asia (Extrapolated Statistics)
Turkey 3,651,377 WARNING! (Details) 68,893,9182
Depression in Southern Asia (Extrapolated Statistics)
Afghanistan 1,511,224 WARNING! (Details) 28,513,6772
Bangladesh 7,491,045 WARNING! (Details) 141,340,4762
Bhutan 115,835 WARNING! (Details) 2,185,5692
India 56,448,744 WARNING! (Details) 1,065,070,6072
Pakistan 8,437,406 WARNING! (Details) 159,196,3362
Sri Lanka 1,054,973 WARNING! (Details) 19,905,1652
Depression in Southeastern Asia (Extrapolated Statistics)
East Timor 54,020 WARNING! (Details) 1,019,2522
Indonesia 12,638,006 WARNING! (Details) 238,452,9522
Laos 321,610 WARNING! (Details) 6,068,1172
Malaysia 1,246,691 WARNING! (Details) 23,522,4822
Philippines 4,570,810 WARNING! (Details) 86,241,6972
Singapore 230,756 WARNING! (Details) 4,353,8932
Thailand 3,437,872 WARNING! (Details) 64,865,5232
Vietnam 4,381,128 WARNING! (Details) 82,662,8002
Depression in the Middle East (Extrapolated Statistics)
Gaza strip 70,224 WARNING! (Details) 1,324,9912
Iran 3,577,669 WARNING! (Details) 67,503,2052
Iraq 1,344,858 WARNING! (Details) 25,374,6912
Israel 328,547 WARNING! (Details) 6,199,0082
Jordan 297,393 WARNING! (Details) 5,611,2022
Kuwait 119,650 WARNING! (Details) 2,257,5492
Lebanon 200,192 WARNING! (Details) 3,777,2182
Saudi Arabia 1,367,184 WARNING! (Details) 25,795,9382
Syria 954,894 WARNING! (Details) 18,016,8742
United Arab Emirates 133,767 WARNING! (Details) 2,523,9152
West Bank 122,493 WARNING! (Details) 2,311,2042
Yemen 1,061,317 WARNING! (Details) 20,024,8672
Depression in Northern Africa (Extrapolated Statistics)
Egypt 4,034,223 WARNING! (Details) 76,117,4212
Libya 298,474 WARNING! (Details) 5,631,5852
Sudan 2,074,852 WARNING! (Details) 39,148,1622
Depression in Western Africa (Extrapolated Statistics)
Congo Brazzaville 158,896 WARNING! (Details) 2,998,0402
Ghana 1,100,122 WARNING! (Details) 20,757,0322
Liberia 179,703 WARNING! (Details) 3,390,6352
Niger 602,108 WARNING! (Details) 11,360,5382
Nigeria 940,768 WARNING! (Details) 12,5750,3562
Senegal 575,163 WARNING! (Details) 10,852,1472
Sierra leone 311,846 WARNING! (Details) 5,883,8892
Depression in Central Africa (Extrapolated Statistics)
Central African Republic 198,351 WARNING! (Details) 3,742,4822
Chad 505,542 WARNING! (Details) 9,538,5442
Congo kinshasa 3,090,802 WARNING! (Details) 58,317,0302
Rwanda 436,649 WARNING! (Details) 8,238,6732
Depression in Eastern Africa (Extrapolated Statistics)
Ethiopia 3,780,838 WARNING! (Details) 71,336,5712
Kenya 1,748,051 WARNING! (Details) 32,982,1092
Somalia 440,143 WARNING! (Details) 8,304,6012
Tanzania 1,911,752 WARNING! (Details) 36,070,7992
Uganda 1,398,683 WARNING! (Details) 26,390,2582
Depression in Southern Africa (Extrapolated Statistics)
Angola 581,863 WARNING! (Details) 10,978,5522
Botswana 86,879 WARNING! (Details) 1,639,2312
South Africa 2,355,768 WARNING! (Details) 44,448,4702
Swaziland 61,969 WARNING! (Details) 1,169,2412
Zambia 584,361 WARNING! (Details) 11,025,6902
Zimbabwe 194,608 WARNING! (Details) 1,2671,8602
Depression in Oceania (Extrapolated Statistics)
Australia 1,055,396 WARNING! (Details) 19,913,1442
New Zealand 211,672 WARNING! (Details) 3,993,8172
Papua New Guinea 287,274 WARNING! (Details) 5,420,2802
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