| ASI | Italian Space Agency (Italy) Agenzia Spaziale Italiana |
| ASJC | All Science Journal Classification |
| BRIICS | Brazil, Russian Federation, India, Indonesia, China, South Africa |
| CAD | Canadian dollar (currency) |
| CNES | National Centre for Space Studies (France) Centre National d’Études Spatiales |
| CEOS | Committee on Earth Observation Satellites |
| CHF | Swiss franc (currency) |
| COTS | Commercial Orbital Transportation Services |
| CSA | Canadian Space Agency |
| DLR | German Aerospace Center Deutsches Zentrum für Luft- und Raumfahrt |
| EGNOS | European Geostationary Navigation Overlay Service |
| EO | Earth observation |
| ESA | European Space Agency |
| EUMETSAT | European Organisation for the Exploitation of Meteorological Satellites |
| EUR | Euro (currency) |
| GBARD | Government budget allocations for research and development |
| GBP | British pound sterling (currency) |
| GDP | Gross domestic product |
| GEO | Geostationary orbit |
| GNSS | Global Navigation Satellite system |
| GPS | Global Positioning System |
| ICT | Information and communication technologies |
| IP | Intellectual property |
| ITU | International Telecommunication Union |
| JAXA | Japan Aerospace Exploration Agency |
| JPY | Japanese yen (currency) |
| KASA | Korea AeroSpace Administration |
| KRW | Korean won (currency) |
| LEO | Low-earth orbit |
| NASA | National Aeronautics and Space Administration |
| NEA | Nuclear Energy Agency |
| NICFI | Norway's International Climate and Forest Initiative |
| NOK | Norwegian krone (currency) |
| ODA | Official development assistance |
| OECD | Organisation for Economic Co-operation and Development |
| PCT | Patent Cooperation Treaty |
| PNT | Positioning, navigation and timing |
| PPP | Purchasing power parity |
| R&D | Research and development |
| RHU | Radioisotope heater unit |
| RTG | Radioisotope thermoelectric generator |
| STI | Science, technology and innovation |
| USD | US dollar |
| USSR | Union of Soviet Socialist Republics |
The Space Economy at a Glance 2026
