| Year | EU-OECD countries | United States | Japan | Other OECD | China | India | Brazil | Russia | Indonesia | South Africa | Other countries | Projections |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | 28.5 | 26.9 | 10.0 | 12.4 | 6.8 | 3.9 | 3.5 | 3.5 | 1.6 | 0.8 | 2.0 | |
| 1997 | 28.2 | 27.0 | 9.8 | 12.5 | 7.1 | 3.9 | 3.5 | 3.4 | 1.6 | 0.8 | 2.0 | |
| 1998 | 28.3 | 27.5 | 9.3 | 12.5 | 7.5 | 4.1 | 3.4 | 3.2 | 1.4 | 0.8 | 2.0 | |
| 1999 | 28.1 | 27.8 | 9.0 | 12.5 | 7.8 | 4.2 | 3.3 | 3.2 | 1.3 | 0.8 | 1.9 | |
| 2000 | 28.0 | 27.6 | 8.8 | 12.6 | 8.1 | 4.2 | 3.3 | 3.4 | 1.3 | 0.8 | 1.9 | |
| 2001 | 28.0 | 27.3 | 8.6 | 12.5 | 8.5 | 4.3 | 3.3 | 3.5 | 1.4 | 0.8 | 1.8 | |
| 2002 | 27.6 | 27.1 | 8.4 | 12.6 | 9.1 | 4.4 | 3.3 | 3.6 | 1.4 | 0.8 | 1.7 | |
| 2003 | 27.1 | 27.0 | 8.3 | 12.5 | 9.7 | 4.5 | 3.2 | 3.7 | 1.4 | 0.8 | 1.7 | |
| 2004 | 26.6 | 26.8 | 8.1 | 12.5 | 10.2 | 4.7 | 3.2 | 3.8 | 1.4 | 0.8 | 1.8 | |
| 2005 | 26.1 | 26.5 | 7.9 | 12.5 | 10.9 | 4.9 | 3.2 | 3.9 | 1.4 | 0.8 | 1.9 | |
| 2006 | 25.7 | 26.0 | 7.6 | 12.4 | 11.7 | 5.1 | 3.2 | 4.0 | 1.4 | 0.8 | 1.9 | |
| 2007 | 25.3 | 25.2 | 7.4 | 12.3 | 12.7 | 5.4 | 3.2 | 4.2 | 1.5 | 0.8 | 2.0 | |
| 2008 | 24.8 | 24.6 | 7.2 | 12.2 | 13.6 | 5.6 | 3.3 | 4.3 | 1.5 | 0.8 | 2.1 | |
| 2009 | 24.0 | 24.1 | 6.9 | 12.1 | 15.0 | 5.9 | 3.3 | 4.0 | 1.6 | 0.8 | 2.1 | |
| 2010 | 23.3 | 23.6 | 6.9 | 12.1 | 15.8 | 6.3 | 3.4 | 4.0 | 1.6 | 0.8 | 2.2 | |
| 2011 | 22.9 | 23.1 | 6.6 | 12.1 | 16.7 | 6.5 | 3.4 | 4.0 | 1.7 | 0.8 | 2.3 | |
| 2012 | 22.1 | 23.1 | 6.5 | 12.1 | 17.4 | 6.6 | 3.3 | 4.0 | 1.7 | 0.8 | 2.3 | |
| 2013 | 21.5 | 22.9 | 6.4 | 12.1 | 18.2 | 6.7 | 3.3 | 3.9 | 1.8 | 0.8 | 2.4 | |
| 2014 | 21.2 | 22.7 | 6.3 | 12.0 | 18.9 | 6.8 | 3.2 | 3.8 | 1.8 | 0.8 | 2.3 | 100 |
| 2015 | 20.8 | 22.7 | 6.1 | 12.0 | 19.6 | 7.0 | 3.2 | 3.8 | 1.8 | 0.8 | 2.3 | 100 |
| 2016 | 20.5 | 22.5 | 5.9 | 12.0 | 20.1 | 7.1 | 3.2 | 3.8 | 1.9 | 0.8 | 2.3 | 100 |
| 2017 | 20.2 | 22.3 | 5.7 | 11.9 | 20.6 | 7.3 | 3.1 | 3.8 | 1.9 | 0.8 | 2.4 | 100 |
| 2018 | 19.9 | 22.2 | 5.6 | 11.9 | 21.0 | 7.4 | 3.1 | 3.8 | 2.0 | 0.8 | 2.4 | 100 |
| 2019 | 19.6 | 22.0 | 5.4 | 11.9 | 21.4 | 7.6 | 3.1 | 3.8 | 2.0 | 0.9 | 2.4 | 100 |
| 2020 | 19.4 | 21.8 | 5.3 | 11.8 | 21.7 | 7.8 | 3.1 | 3.7 | 2.0 | 0.9 | 2.5 | 100 |
| 2021 | 19.2 | 21.6 | 5.2 | 11.8 | 22.1 | 8.0 | 3.0 | 3.7 | 2.1 | 0.9 | 2.5 | 100 |
| 2022 | 18.9 | 21.4 | 5.1 | 11.8 | 22.3 | 8.2 | 3.0 | 3.7 | 2.1 | 0.9 | 2.5 | 100 |
| 2023 | 18.7 | 21.3 | 5.0 | 11.7 | 22.6 | 8.4 | 3.0 | 3.7 | 2.2 | 0.9 | 2.5 | 100 |
| 2024 | 18.5 | 21.1 | 4.9 | 11.7 | 22.8 | 8.6 | 3.0 | 3.7 | 2.2 | 0.9 | 2.5 | 100 |
| 2025 | 18.3 | 21.0 | 4.8 | 11.7 | 23.0 | 8.8 | 3.0 | 3.7 | 2.3 | 0.9 | 2.6 | 100 |
| 2026 | 18.2 | 20.8 | 4.7 | 11.7 | 23.2 | 9.1 | 2.9 | 3.7 | 2.3 | 1.0 | 2.6 | 100 |
| 2027 | 18.0 | 20.7 | 4.6 | 11.6 | 23.3 | 9.3 | 2.9 | 3.6 | 2.4 | 1.0 | 2.6 | 100 |
| 2028 | 17.8 | 20.5 | 4.5 | 11.6 | 23.4 | 9.5 | 2.9 | 3.6 | 2.4 | 1.0 | 2.6 | 100 |
| 2029 | 17.6 | 20.4 | 4.5 | 11.6 | 23.6 | 9.8 | 2.9 | 3.6 | 2.5 | 1.0 | 2.6 | 100 |
| 2030 | 17.4 | 20.2 | 4.4 | 11.6 | 23.7 | 10.0 | 2.9 | 3.6 | 2.5 | 1.0 | 2.6 | 100 |
| 2031 | 17.3 | 20.1 | 4.3 | 11.5 | 23.8 | 10.3 | 2.9 | 3.6 | 2.5 | 1.0 | 2.6 | 100 |
| 2032 | 17.1 | 20.0 | 4.3 | 11.5 | 23.9 | 10.6 | 2.9 | 3.6 | 2.6 | 1.0 | 2.6 | 100 |
| 2033 | 16.9 | 19.8 | 4.2 | 11.5 | 24.0 | 10.8 | 2.9 | 3.5 | 2.6 | 1.0 | 2.6 | 100 |
| 2034 | 16.8 | 19.7 | 4.1 | 11.5 | 24.2 | 11.1 | 2.9 | 3.5 | 2.7 | 1.1 | 2.6 | 100 |
| 2035 | 16.6 | 19.5 | 4.1 | 11.5 | 24.3 | 11.3 | 2.9 | 3.5 | 2.7 | 1.1 | 2.6 | 100 |
| 2036 | 16.4 | 19.4 | 4.0 | 11.5 | 24.4 | 11.6 | 2.9 | 3.4 | 2.7 | 1.1 | 2.6 | 100 |
| 2037 | 16.3 | 19.2 | 3.9 | 11.4 | 24.6 | 11.8 | 2.9 | 3.4 | 2.8 | 1.1 | 2.6 | 100 |
| 2038 | 16.1 | 19.1 | 3.9 | 11.4 | 24.7 | 12.1 | 2.9 | 3.3 | 2.8 | 1.1 | 2.6 | 100 |
| 2039 | 16.0 | 18.9 | 3.8 | 11.4 | 24.9 | 12.4 | 2.8 | 3.3 | 2.8 | 1.1 | 2.6 | 100 |
| 2040 | 15.8 | 18.8 | 3.8 | 11.4 | 25.0 | 12.6 | 2.8 | 3.2 | 2.9 | 1.1 | 2.5 | 100 |
| 2041 | 15.7 | 18.7 | 3.7 | 11.4 | 25.1 | 12.9 | 2.8 | 3.2 | 2.9 | 1.1 | 2.5 | 100 |
| 2042 | 15.6 | 18.6 | 3.7 | 11.4 | 25.2 | 13.1 | 2.8 | 3.1 | 3.0 | 1.1 | 2.5 | 100 |
| 2043 | 15.4 | 18.4 | 3.6 | 11.4 | 25.2 | 13.4 | 2.8 | 3.0 | 3.0 | 1.1 | 2.5 | 100 |
| 2044 | 15.3 | 18.3 | 3.6 | 11.4 | 25.3 | 13.7 | 2.8 | 3.0 | 3.0 | 1.1 | 2.5 | 100 |
| 2045 | 15.2 | 18.2 | 3.5 | 11.4 | 25.3 | 13.9 | 2.8 | 2.9 | 3.1 | 1.1 | 2.5 | 100 |
| 2046 | 15.1 | 18.1 | 3.5 | 11.4 | 25.3 | 14.2 | 2.8 | 2.9 | 3.1 | 1.1 | 2.5 | 100 |
| 2047 | 15.0 | 18.0 | 3.4 | 11.4 | 25.3 | 14.5 | 2.8 | 2.8 | 3.2 | 1.1 | 2.4 | 100 |
| 2048 | 14.9 | 17.9 | 3.4 | 11.4 | 25.2 | 14.7 | 2.8 | 2.8 | 3.2 | 1.1 | 2.4 | 100 |
| 2049 | 14.8 | 17.8 | 3.4 | 11.5 | 25.2 | 15.0 | 2.8 | 2.7 | 3.3 | 1.1 | 2.4 | 100 |
| 2050 | 14.7 | 17.7 | 3.3 | 11.5 | 25.1 | 15.3 | 2.8 | 2.7 | 3.3 | 1.1 | 2.4 | 100 |