| Source | World Bank : Nominal (current), Nominal (constant), PPP (current), PPP (constant) |
| IMF World Economic Outlook (April-2021) | |
| Date | 02 Sep 2021 |
| Year | GDP (billions of $/Int. $) | |
|---|---|---|
| Nominal | PPP | |
| 2020 | 15.64 | 33.66 |
| 2021 | 18.36 | 34.68 |
| 2022 | 18.77 | 36.43 |
| 2023 | 19.28 | 38.53 |
| 2024 | 19.95 | 40.76 |
| 2025 | 20.87 | 43.13 |
| 2026 | 22.10 | 45.65 |
| Year | GDP Nominal (billions of $) | GDP PPP (billions Int. $) | Share (%) to World | Rank/Total | ||||
|---|---|---|---|---|---|---|---|---|
| Current | Constant (2010) | Current | Constant (2017) | Nominal | PPP | Nominal | PPP | |
| 1960 | 0.14 | 2.19 | - | - | 0.0101 | - | 85/99 | - |
| 1961 | 0.17 | 2.51 | - | - | 0.0118 | - | 85/100 | - |
| 1962 | 0.18 | 2.70 | - | - | 0.0116 | - | 87/103 | - |
| 1963 | 0.15 | 2.86 | - | - | 0.00901 | - | 89/103 | - |
| 1964 | 0.22 | 2.99 | - | - | 0.0121 | - | 86/103 | - |
| 1965 | 0.23 | 3.24 | - | - | 0.0116 | - | 91/112 | - |
| 1966 | 0.25 | 3.39 | - | - | 0.0116 | - | 92/114 | - |
| 1967 | 0.27 | 3.53 | - | - | 0.0118 | - | 93/117 | - |
| 1968 | 0.29 | 3.62 | - | - | 0.0117 | - | 94/119 | - |
| 1969 | 0.32 | 3.91 | - | - | 0.0117 | - | 93/119 | - |
| 1970 | 0.32 | 4.25 | - | - | 0.0107 | - | 93/125 | - |
| 1971 | 0.38 | 4.68 | - | - | 0.0115 | - | 93/127 | - |
| 1972 | 0.43 | 5.21 | - | - | 0.0113 | - | 93/127 | - |
| 1973 | 0.72 | 5.74 | - | - | 0.0155 | - | 86/127 | - |
| 1974 | 1.54 | 8.01 | - | - | 0.0288 | - | 79/128 | - |
| 1975 | 2.16 | 9.55 | - | - | 0.0363 | - | 77/130 | - |
| 1976 | 3.01 | 12.95 | - | - | 0.0465 | - | 66/131 | - |
| 1977 | 2.81 | 11.32 | - | - | 0.0383 | - | 76/134 | - |
| 1978 | 2.39 | 8.60 | - | - | 0.0277 | - | 84/133 | - |
| 1979 | 3.03 | 8.64 | - | - | 0.0302 | - | 81/134 | - |
| 1980 | 4.28 | 8.86 | - | - | 0.0379 | - | 79/145 | - |
| 1981 | 3.86 | 9.31 | - | - | 0.0330 | - | 83/148 | - |
| 1982 | 3.62 | 9.02 | - | - | 0.0313 | - | 84/149 | - |
| 1983 | 3.39 | 9.53 | - | - | 0.0287 | - | 85/150 | - |
| 1984 | 3.56 | 10.25 | - | - | 0.0291 | - | 85/151 | - |
| 1985 | 3.34 | 10.01 | - | - | 0.0259 | - | 86/153 | - |
| 1986 | 3.40 | 9.93 | - | - | 0.0223 | - | 86/155 | - |
| 1987 | 3.28 | 8.22 | - | - | 0.0190 | - | 91/159 | - |
| 1988 | 3.83 | 9.28 | - | - | 0.0198 | - | 90/162 | - |
| 1989 | 4.19 | 10.07 | - | - | 0.0207 | - | 91/162 | - |
| 1990 | 5.95 | 10.60 | 11.77 | 17.26 | 0.0261 | 0.0402 | 87/176 | 94/161 |
| 1991 | 5.40 | 11.24 | 12.91 | 18.32 | 0.0226 | 0.0418 | 87/171 | 96/163 |
| 1992 | 5.59 | 10.90 | 12.80 | 17.75 | 0.0220 | 0.0396 | 91/175 | 100/166 |
| 1993 | 4.38 | 11.33 | 13.62 | 18.45 | 0.0169 | 0.0404 | 99/178 | 99/167 |
| 1994 | 4.19 | 11.75 | 14.42 | 19.14 | 0.0151 | 0.0406 | 101/182 | 98/169 |
| 1995 | 4.96 | 12.33 | 15.46 | 20.09 | 0.0161 | 0.0412 | 108/191 | 102/179 |
| 1996 | 5.69 | 12.78 | 16.31 | 20.82 | 0.0180 | 0.0410 | 108/191 | 100/179 |
| 1997 | 5.33 | 13.51 | 17.55 | 22.01 | 0.0169 | 0.0417 | 110/191 | 101/181 |
| 1998 | 4.48 | 13.98 | 18.36 | 22.78 | 0.0143 | 0.0423 | 116/193 | 101/181 |
| 1999 | 4.66 | 12.73 | 16.96 | 20.74 | 0.0143 | 0.0372 | 118/195 | 107/182 |
| 2000 | 5.08 | 12.49 | 17.02 | 20.35 | 0.0151 | 0.0347 | 119/200 | 112/189 |
| 2001 | 5.02 | 12.76 | 17.76 | 20.79 | 0.0150 | 0.0346 | 121/200 | 112/190 |
| 2002 | 5.34 | 12.73 | 18.00 | 20.73 | 0.0154 | 0.0334 | 121/205 | 114/191 |
| 2003 | 6.51 | 13.01 | 18.74 | 21.20 | 0.0167 | 0.0330 | 116/205 | 115/191 |
| 2004 | 7.77 | 13.10 | 19.38 | 21.35 | 0.0177 | 0.0316 | 116/205 | 117/192 |
| 2005 | 9.58 | 13.45 | 20.52 | 21.92 | 0.0202 | 0.0310 | 112/205 | 118/192 |
| 2006 | 10.33 | 13.08 | 20.55 | 21.30 | 0.0200 | 0.0284 | 113/206 | 121/193 |
| 2007 | 12.46 | 13.86 | 22.37 | 22.58 | 0.0215 | 0.0285 | 113/206 | 121/193 |
| 2008 | 15.57 | 13.40 | 22.05 | 21.83 | 0.0244 | 0.0265 | 111/205 | 125/194 |
| 2009 | 12.11 | 13.42 | 22.24 | 21.86 | 0.0200 | 0.0265 | 117/205 | 124/195 |
| 2010 | 14.37 | 14.37 | 24.10 | 23.41 | 0.0217 | 0.0270 | 115/206 | 122/195 |
| 2011 | 18.21 | 15.39 | 26.35 | 25.07 | 0.0248 | 0.0277 | 112/208 | 124/196 |
| 2012 | 17.17 | 16.20 | 26.87 | 26.39 | 0.0228 | 0.0268 | 117/207 | 125/194 |
| 2013 | 17.60 | 17.11 | 27.46 | 27.88 | 0.0228 | 0.0261 | 119/208 | 127/196 |
| 2014 | 18.20 | 17.85 | 28.96 | 29.08 | 0.0229 | 0.0266 | 116/208 | 127/195 |
| 2015 | 14.38 | 18.54 | 28.63 | 30.21 | 0.0191 | 0.0257 | 121/207 | 126/195 |
| 2016 | 14.02 | 18.93 | 28.68 | 30.84 | 0.0183 | 0.0248 | 122/206 | 128/194 |
| 2017 | 14.93 | 19.02 | 30.99 | 30.99 | 0.0184 | 0.0254 | 121/206 | 129/194 |
| 2018 | 16.86 | 19.18 | 32.00 | 31.25 | 0.0195 | 0.0247 | 120/206 | 129/193 |
| 2019 | 16.87 | 19.94 | 33.85 | 32.48 | 0.0193 | 0.0250 | 120/199 | 131/192 |
| 2020 | 15.59 | 19.67 | 33.81 | 32.05 | 0.0184 | 0.0255 | 114/176 | 124/177 |