| 1 | G77 + ChinaGroup of 77 and China | Main coalition of developing countries | China, Pakistan, Nigeria, Egypt, Indonesia and most African and Asian countries |
| 2 | African GroupAfrican Group of Negotiators | Joint platform of African countries | All African countries (e.g. Nigeria, Kenya, Ethiopia, South Africa) |
| 3 | AOSISAlliance of Small Island States | The most climate-vulnerable countries | Maldives, Fiji, Samoa, Barbados, Tuvalu |
| 4 | LDC GroupLeast Developed Countries | Focused on capacity and finance | Bangladesh, Nepal, Chad, Mozambique, Haiti |
| 5 | LMDCLike-Minded Developing Countries | Champions the CBDR principle | China, India, Saudi Arabia, Iran, Venezuela |
| 6 | European UnionEuropean Union | Advocate of high climate ambition | Germany, France, Italy, Spain, Poland |
| 7 | Umbrella GroupUmbrella Group | Coalition of developed countries | United States, Japan, Canada, Australia, New Zealand |
| 8 | EIGEnvironmental Integrity Group | Bridge-building negotiating group | Switzerland, South Korea, Mexico, Georgia |
| 9 | BASICBASIC countries | Large emerging economies | Brazil, South Africa, India, China |
| 10 | Arab StatesArab Group | Bloc focused on the energy transition | Saudi Arabia, UAE, Qatar, Kuwait, Egypt |
| 11 | AILACIndependent Association of Latin America and the Caribbean | Reform-minded regional group | Chile, Colombia, Peru, Costa Rica |
| 12 | ALBABolivarian Alliance | Solidarity-based regional bloc | Venezuela, Bolivia, Cuba, Nicaragua |
| 13 | Rainforest CoalitionCoalition for Rainforest Nations | Focus on forests and carbon sinks | Indonesia, DR Congo, Papua New Guinea, Brazil |
| 14 | LLDCsLandlocked Developing Countries | Geographically disadvantaged countries | Kazakhstan, Ethiopia, Nepal, Paraguay |
| 15 | Mountain GroupMountain Group | Focus on mountain ecosystems | Switzerland, Nepal, Peru, Kyrgyzstan |
| 16 | GRULAC CoordinationLatin American coordination | Regional coordination platform | Brazil, Argentina, Mexico, Colombia |