Here are the top 10 prominent space agencies around the world. Keep in mind that the ranking may change over time due to developments in space exploration and international collaborations. Also, the list is not necessarily in a strict order of significance, as each agency has its own strengths and areas of expertise.
- NASA (National Aeronautics and Space Administration) - United States
- Roscosmos (Russian Federal Space Agency) - Russia
- ESA (European Space Agency) - Multinational (22 member states)
- CNSA (China National Space Administration) - China
- ISRO (Indian Space Research Organisation) - India
- JAXA (Japan Aerospace Exploration Agency) - Japan
- CSA (Canadian Space Agency) - Canada
- UKSA (United Kingdom Space Agency) - United Kingdom
- ASAL (Brazilian Space Agency) - Brazil
- ROKA (Korea Aerospace Research Institute) - South Korea
Please verify the latest information, as space exploration is a dynamic field, and new agencies or changes in existing ones may have occurred since my last update.