| Country | Agency | Budget |
|---|
| | NASA | $17.3 billion |
| France, Germany, Italy, United Kingdom, Belgium, Spain, Switzerland, Netherlands, Norway, Sweden, Greece, and Portugal | ESA (European Space Agency) | $4.85 billion |
| | CNES (French Space Agency) | $2.49 billion |
| | RKA (Russian Federal Space Agency) | $2.215 billion |
| | JAXA (Japan Aerospace Exploration Agency) | $2.1 billion |
| | DLR (German Aerospace Center) | $1.660 billion |
| | ASI (Italian Space Agency) | $1.55 billion |
| | ISRO (Indian Space Research Organization) | $1.300 billion |
| | CNSA (China National Space Administration) | $500 million |
| | BNSC (British National Space Centre) | $414 million |
| | CSA (Canadian Space Agency) | $321 million |
| | AEB (Brazilian Space Agency) | $294 million |
| Ukraine | NSAU (National Space Agency of Ukraine) | $250-300 million |
| | Belgian science policy and space policy | $230 million |
| | CDTI (Spanish Space Agency) | $175 million |
| | SRON (Netherlands Institute for Space Research) | $160 million |
| | KARI (Korea Aerospace Research Institute) | $150 million |
| | SSO (Swiss Space Office) | $110 million |
| | SNSB (Swedish National Space Board) | $100 million |
| Entire world | All space agencies (total of listed budgets) | $35.5 billion |
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