The IASLC offers people from developing countries a reduced membership fee of $50.00 (US) per year. Members will have full membership benefits, including free access to the online version of the Journal of Thoracic Oncology.
- Angola
- Benin
- Botswana
- Burkina Faso
- Burundi
- Cameroon
- Cabo Verde
- Central African Republic
- Chad
- Comoros
- Congo, Dem. Rep.
- Congo, Rep
- Cote d'Ivoire
- Equatorial Guinea
- Eritrea
- Ethiopia
- Gabon
- Gambia
- Ghana
- Guinea
- Guinea-Bissau
- Kenya
- Lesotho
- Liberia
- Libya
- Madagascar
- Malawi
- Mali
- Mauritania
- Mauritius
- Mozambique
- Namibia
- Niger
- Nigeria
- Rwanda
- Sao Tome and Principe
- Senegal
- Sierra Leone
- Somalia
- South Africa
- South Sudan
- Sudan
- Eswatini (Swaziland)
- Tanzania
- Togo
- Uganda
- Zambia
- Zimbabwe
- Algeria
- Djibouti
- Egypt, Arab Rep.
- Iran, Islamic Rep.
- Iraq
- Jordan
- Lebanon
- Morocco
- Syrian Arab Republic
- Tunisia
- West Bank and Gaza
- Yemen, Rep.
- American Samoa
- Cambodia
- China
- Fiji
- Indonesia
- Kiribati
- Lao PDR
- Malaysia
- Marshall Islands
- Micronesia, Fed. Sts.
- Mongolia
- Myanmar
- Democratic People's Republic of Korea
- Palau
- Papua New Guinea
- Philippines
- Samoa
- Solomon Islands
- Thailand
- Timor-Leste
- Tonga
- Tuvalu
- Vanuatu
- Vietnam
- Albania
- Armenia
- Azerbaijan
- Belarus
- Bosnia & Herzegovina
- Bulgaria
- Georgia
- Kazakhstan
- Kosovo
- Kyrgyz Republic
- North Macedonia
- Moldova
- Montenegro
- Russian Federation
- Serbia
- Tajikistan
- Turkey
- Turkmenistan
- Ukraine
- Uzbekistan
- Afghanistan
- Bangladesh
- Bhutan
- India
- Maldives
- Nepal
- Pakistan
- Sri Lanka
- Argentina
- Belize
- Bolivia
- Brazil
- Colombia
- Costa Rica
- Cuba
- Dominica
- Dominican Republic
- Ecuador
- El Salvador
- Grenada
- Guatemala
- Guyana
- Haiti
- Honduras
- Jamaica
- Mexico
- Nicaragua
- Paraguay
- Peru
- St. Lucia
- St. Vincent and the Grenadines
- Suriname
- Venezuela