| Ranking | Countries/investment | ||
| Countries | Investment (billions- US $) | Investments in 2010 (billions- US $) | |
| 1 | USA | 48.0 | 33.7 |
| 2 | China | 45.5 | 45.0 |
| 3 | Germany | 30.6 | 32.1 |
| 4 | Italy | 28.0 | 20.2 |
| 5 | The remaining EU - 27 | 11.1 | 15.2 |
| 6 | India | 10.2 | 6.6 |
| 7 | United Kingdom | 9.4 | 7.0 |
| 8 | Japan | 8.6 | 7.0 |
| 9 | Spain | 8.6 | 6.9 |
| 10 | Brazil | 8.0 | 6.9 |