有关数据 High income, Middle income, Low income 

High income

• American Samoa
• Andorra
• Antigua and Barbuda
• Aruba
• Australia
• Austria
• Bahamas, The
• Bahrain
• Barbados
• Belgium
• Bermuda
• British Virgin Islands
• Brunei Darussalam
• Bulgaria
• Canada
• Cayman Islands
• Channel Islands
• Chile
• Costa Rica
• Croatia
• Curacao
• Cyprus
• Czechia
• Denmark
• Estonia
• Faroe Islands
• Finland
• France
• French Polynesia
• Germany
• Gibraltar
• Greece
• Greenland
• Guam
• Guyana
• Hong Kong SAR, China
• Hungary
• Iceland
• Ireland
• Isle of Man
• Israel
• Italy
• Japan
• Korea, Rep.
• Kuwait
• Latvia
• Liechtenstein
• Lithuania
• Luxembourg
• Macao SAR, China
• Malta
• Monaco
• Naoero
• Netherlands
• New Caledonia
• New Zealand
• Northern Mariana Islands
• Norway
• Oman
• Palau
• Panama
• Poland
• Portugal
• Puerto Rico (US)
• Qatar
• Romania
• Russian Federation
• San Marino
• Saudi Arabia
• Seychelles
• Singapore
• Sint Maarten (Dutch part)
• Slovak Republic
• Slovenia
• Spain
• St. Kitts and Nevis
• St. Martin (French part)
• Sweden
• Switzerland
• Trinidad and Tobago
• Turks and Caicos Islands
• United Arab Emirates
• United Kingdom
• United States
• Uruguay
• Virgin Islands (U.S.)

Middle income

Low income

• Afghanistan
• Burkina Faso
• Burundi
• Central African Republic
• Chad
• Congo, Dem. Rep.
• Eritrea
• Ethiopia
• Gambia, The
• Guinea-Bissau
• Korea, Dem. People's Rep.
• Liberia
• Madagascar
• Malawi
• Mali
• Mozambique
• Niger
• Rwanda
• Sierra Leone
• Somalia, Fed. Rep.
• South Sudan
• Sudan
• Syrian Arab Republic
• Uganda
• Yemen, Rep.