Table 4. Parameters "a" and "b" for power equations, TFR and GFR rates, and R2 value for fit with data.
| "a" Value | "b" Value | TFR | GFR | R2 | |
|---|---|---|---|---|---|
| Afghanistan 2015 | 0.440 | (1.426) | 5.3 | 175 | 0.956 |
| Albania 2017-18 | 0.082 | (0.283) | 1.8 | 57 | 0.431 |
| Angola 2015-16 | 0.603 | (1.678) | 6.2 | 216 | 0.970 |
| Armenia 2015-16 | 0.121 | (0.538) | 1.7 | 64 | 0.968 |
| Azerbaijan 2006 | 0.089 | (0.328) | 2.0 | 66 | 0.600 |
| Bangladesh 2014 | 0.165 | (0.630) | 2.3 | 90 | 0.943 |
| Benin 2017-18 | 0.673 | (0.174) | 5.7 | 197 | 0.912 |
| Bolivia 2008 | 0.281 | (0.963) | 3.5 | 121 | 0.913 |
| Brazil 1996 | 0.147 | (0.538) | 2.5 | 89 | 0.931 |
| Burkina Faso
2010 |
0.581 | (1.616) | 6.0 | 206 | 0.961 |
| Burundi 2016-17 | 0.748 | (1.846) | 5.5 | 180 | 0.923 |
| Cambodia 2014 | 0.215 | (0.779) | 2.7 | 98 | 0.953 |
| Cameroon 2011 | 0.426 | (1.385) | 5.1 | 180 | 0.977 |
| Central African
Republic 1994- 95 |
0.428 | (1.388) | 5.1 | 183 | 0.966 |
| Chad 2014-15 | 0.597 | (1.697) | 6.4 | 230 | 0.954 |
| Colombia 2015 | 0.129 | (0.495) | 2.0 | 70 | 0.947 |
| Comoros 2012 | 0.392 | (1.283) | 4.3 | 142 | 0.981 |
| Congo 2011-12 | 0.471 | (1.453) | 5.1 | 182 | 0.988 |
| Congo
Democratic Republic 2013-14 |
0.535 | (1.641) | 6.6 | 225 | 0.982 |
| Cote d'Ivoire
2011-12 |
0.469 | (1.423) | 5.0 | 174 | 0.973 |
| Dominican
Republic 2013 |
0.172 | (0.696) | 2.5 | 89 | 0.977 |
| Egypt 2014 | 0.271 | (0.971) | 3.5 | 127 | 0.985 |
| Ethiopia 2016 | 0.544 | (1.506) | 4.6 | 156 | 0.925 |
| Gabon 2012 | 0.359 | (1.225) | 4.1 | 144 | 0.947 |
| Gambia 2013 | 0.561 | (1.635) | 5.6 | 185 | 0.974 |
| Ghana 2014 | 0.386 | (1.242) | 4.2 | 143 | 0.977 |
| Guatemala
2014-15 |
0.254 | (0.904) | 3.1 | 112 | 0.981 |
| Guinea 2018 | 0.543 | (0.152) | 4.8 | 165 | 0.930 |
| Guyana 2009 | 0.152 | (0.602) | 2.8 | 94 | 0.914 |
| Haiti 2016-17 | 0.404 | (0.124) | 3.0 | 101 | 0.861 |
| Honduras 2011-12 | 0.235 | (0.844) | 2.9 | 107 | 0.974 |
| India 2015-16 | 0.125 | (0.520) | 2.2 | 81 | 0.968 |
| Indonesia 2017 | 0.189 | (0.737) | 2.4 | 80 | 0.794 |
| Jordan 2017-18 | 0.309 | (1.065) | 2.7 | 90 | 0.892 |
| Kazakhstan 1999 | 0.105 | (0.351) | 2.0 | 67 | 0.819 |
| Kenya 2014 | 0.400 | (1.236) | 3.9 | 141 | 0.929 |
| Kyrgyz Republic
2012 |
0.257 | (0.968) | 3.6 | 125 | 0.985 |
| Lesotho 2014 | 0.312 | (1.050) | 3.3 | 118 | 0.929 |
| Liberia 2013 | 0.418 | (1.282) | 4.7 | 168 | 0.935 |
| Madagascar
2008-09 |
0.396 | (1.255) | 4.8 | 168 | 0.958 |
| Malawi 2015-16 | 0.701 | (1.691) | 4.4 | 158 | 0.914 |
| Maldives 2016-
17 |
0.245 | (0.904) | 2.1 | 78 | 0.811 |
| Mali 2012-13 | 0.559 | (1.590) | 6.1 | 214 | 0.967 |
| Moldova 2005 | 0.078 | (0.294) | 1.7 | 55 | 0.747 |
| Morocco 2003-
04 |
0.262 | (0.912) | 2.5 | 81 | 0.941 |
| Mozambique
2011 |
0.458 | (1.464) | 5.9 | 206 | 0.975 |
| Myanmar 2015-
16 |
0.198 | (0.723) | 2.3 | 77 | 0.932 |
| Namibia 2013 | 0.305 | (1.039) | 3.6 | 125 | 0.948 |
| Nepal 2016 | 0.146 | (0.573) | 2.3 | 88 | 0.970 |
| Nicaragua 2001 | 0.258 | (0.910) | 3.2 | 117 | 0.906 |
| Niger 2012 | 0.699 | (1.881) | 7.6 | 269 | 0.967 |
| Nigeria 2018 | 0.559 | (1.579) | 5.3 | 182 | 0.940 |
| Pakistan 2017-18 | 0.372 | (1.217) | 3.6 | 124 | 0.942 |
| Papua New
Guinea 2017 |
0.450 | (1.350) | 4.2 | 142 | 0.895 |
| Paraguay 1990 | 0.395 | (1.255) | 4.7 | 160 | 0.943 |
| Peru 2012 | 0.198 | (0.746) | 2.6 | 86 | 0.911 |
| Philippines 2017 | 0.242 | (0.888) | 2.7 | 89 | 0.877 |
| Rwanda 2014-15 | 0.646 | (1.629) | 4.2 | 142 | 0.832 |
| Sao Tome
and Principe 2008-09 |
0.457 | (1.392) | 4.9 | 164 | 0.952 |
| Senegal 2017 | 0.764 | (1.792) | 4.6 | 152 | 0.917 |
| Sierra Leone
2013 |
0.489 | (1.428) | 4.9 | 169 | 0.938 |
| South Africa
2016 |
0.210 | (0.809) | 2.6 | 94 | 0.765 |
| Swaziland
2006-07 |
0.307 | (1.055) | 3.8 | 137 | 0.946 |
| Tajikistan 2017 | 0.281 | (1.018) | 3.8 | 141 | 0.939 |
| Tanzania 2015-16 | 0.482 | (1.437) | 5.2 | 178 | 0.962 |
| Timor-Leste
2016 |
0.384 | (1.197) | 4.2 | 136 | 0.913 |
| Togo 2013-14 | 0.479 | (1.425) | 4.8 | 163 | 0.965 |
| Turkey 2013 | 0.158 | (0.637) | 2.3 | 78 | 0.824 |
| Uganda 2016 | 0.559 | (1.568) | 5.4 | 189 | 0.966 |
| Ukraine 2007 | 0.066 | (0.254) | 1.2 | 39 | 0.798 |
| Uzbekistan 1996 | 0.259 | (0.900) | 3.3 | 123 | 0.959 |
| Viet Nam 2002 | 0.106 | (0.341) | 1.9 | 60 | 0.753 |
| Yemen 2013 | 0.454 | (1.373) | 4.4 | 146 | 0.959 |
| Zambia 2018 | 0.664 | (1.675) | 4.7 | 163 | 0.906 |
| Zimbabwe 2015 | 0.470 | (1.379) | 4.0 | 144 | 0.931 |