Who finances the World Health Organization?

In view of the 70th World Health Assembly (22 May 2017 - 31 May 2017), the World Health Organization has prepared a document (A70 / INF. / 4, 16 May 2017) entitled "Voluntary contributions by fund and by contributor. 2016 ".
Total voluntary contributions to WHO in 2016 amounted to $ 1.717.219.177, which represented a decrease from the 2015 figure of $ 1.836.970.206.

Note that Italy provides three different contributions, one as Italy of $ 3.204.916, one as Sicily of $ 2.223.285 and one as Veneto of $ 235 397 plus $ 207.650.

Here is a non-exhaustive list that describes the sources of voluntary contributions to WHO and the size of their contributions in 2016.

United States of America: $ 324.156.696
Bill & Melinda Gates Foundation: $ 275.858.618
United Kingdom of Great Britain and Northern Ireland: $ 133.843.104
GAVI Alliance: $ 75.420.327
Japan: $ 68.247.123
National Philanthropic Trust: $ 66.650.000
  Rotary International: $ 52.842.093
European Commission: $ 45.573.156
United Nations Central Emergency Response Fund (CERF): $ 44.096.161
Germany: $ 39.662.977
Australia: $ 39.660.593
Canada: $ 38.599.722
Sweden: $ 34.160.596
United Nations Office for the Coordination of Humanitarian Affairs (UNOCHA): $ 31.334.222
Norway: $ 30.459.188
Pakistan: $ 29.325.983
Netherlands: $ 22.954.659
United Nations Development Program (UNDP): $ 20.762.760
United Arab Emirates: $ 18.421.838
UNITAID - International Drug Purchase Facility: $ 18.013.206
United Nations Children's Fund (UNICEF): $ 17.901.880
Republic of Korea: $ 16.130.941
African Development Bank Group: $ 13.622.299
Emirates Red Crescent: $ 13.014.320
Hoffmann-La Roche and Co Ltd: $ 11.742.696
United Nations Foundation: $ 10.438.836
Yemen: $ 9.968.668
Switzerland: $ 9.924.932
France: $ 9.363.647
Luxembourg: $ 9.328.650
Joint United Nations Program on HIV / AIDS (UNAIDS): $ 9.031.464
Angola: 8.717.247
Kuwait: $ 8.500.000
Belgium: $ 7.803.790
India: $ 6.995.975
Guinea: $ 6.717.303
United Nations Population Fund (UNFPA): $ 6.110.972
International Union against Tuberculosis and Lung Disease (IUATLD): $ 6.049.948
GlaxoSmithKline (GSK): $ 6.023.494
Russian Federation: $ 5.524.228
China: $ 5.170.000
Sanofi-Pasteur: $ 5.000.000
Fondation d'Entreprise Sanofi Espoir: $ 4.331.546
Saudi Arabia: $ 4.754.822
KNCV Tuberculosis Foundation: $ 4.026.510
Denmark: $ 3.646.179
Gilead Sciences Inc: $ 3.599.050
Sanofi-Aventis: $ 3.500.000
Macao. SAR. People's Republic of China: $ 3.385.000
Merck Sharp and Dohme-Chibret: $ 3.276.212
Italy: $ 3.204.916
Kobe Group (Hyogo Prefecture Kobe Chamber of Commerce and Industry and Kobe Steel. Ltd.): $ 3.000.000
Nigeria: 2.852.602
Medimmune: $ 2.668.795
Global Fund to Fight AIDS. Tuberculosis and Malaria (GFATM): $ 2.469.931
Nippon Foundation: $ 2.450.000
United Nations Environment Program (UNEP): $ 2.331.057
Sicilia. Italy: $ 2.223.285
Lebanon: $ 2.113.955
Korean Foundation for International Healthcare (KFIH) - Dr Lee Jong-Wook Memorial Fund: $ 2.093.980
Sindh. Pakistan: $ 1.968.321
Spain: $ 1.884.550
Generalitat de Catalunya. Spain: $ 1.767.285
Turkey: $ 1.693.562
New Zealand: $ 1.505.697
Lao People's Democratic Republic: $ 1.300.728
Program for Appropriate Technology In Health (PATH): $ 1.262.149
World Vision International: $ 1.153.505
World Bank: $ 1.000.000
David and Lucile Packard Foundation: $ 960.000
CSL Limited: $ 923.396
Bayer AG: $ 867.694
OPEC Fund for International Development (OFID): $ 850.000
Flemish Government. Belgium: $ 832.408
Carter Center: $ 800.000
Richter Gedeon Vegyeszeti Gyar: $ 780.095
Grand Challenges Canada: $ 755.555
Rockefeller Foundation: $ 727.175
Research Foundation for Microbial Diseases of Osaka: $ 674.829
Eli Lilly and Company Foundation. UK: $ 616.699
Christoffel-Blindenmission: $ 603.013
International Planned Parenthood Federation (IPPF): $ 503.000
Novartis: $ 500.000
United Nations Trust Fund for Human Security (UNTFHS): $ 481.342
Sumitomo Chemical Co. Ltd .: $ 469.808
Bloomberg Family Foundation: $ 485.000
Sightsavers: $ 398.990
Uppsala Monitoring Center: $ 350.000
South Africa: $ 342.657
International Organization for Migration (IOM): $ 313.226
United States Fund for UNICEF: $ 340.931
BASF Corporation: $ 277.390
Wellcome Trust: $ 243.000
University of Bergen: $ 226.719
Western Australia. Australia: $ 200.000
Syngenta Crop Protection AG: $ 160.000

Download the document Voluntary contributions by fund and by contributors. 2016 - http://apps.who.int/gb/ebwha/pdf_files/WHA70/A70_INF4-en.pdf