Period Live births per year Deaths per year Natural change per year CBR* CDR* NC* TFR* IMR*
1950-1955 139 000 66 000 74 000 52.6 24.8 27.8 6.86 174
1955-1960 164 000 76 000 88 000 53.8 24.9 29.0 6.96 171
1960-1965 195 000 89 000 105 000 55.5 25.5 30.1 7.13 167
1965-1970 229 000 105 000 124 000 56.2 25.8 30.4 7.32 164
1970-1975 263 000 121 000 142 000 55.8 25.6 30.2 7.52 162
1975-1980 301 000 138 000 164 000 55.1 25.1 29.9 7.63 161
1980-1985 350 000 157 000 193 000 55.4 24.8 30.6 7.76 159
1985-1990 406 000 179 000 227 000 55.9 24.6 31.3 7.81 155
1990-1995 471 000 192 000 279 000 55.5 22.7 32.8 7.78 146
1995-2000 538 000 194 000 344 000 53.5 19.3 34.2 7.60 131
2000-2005 614 000 194 000 420 000 51.3 16.2 35.1 7.40 113
2005-2010 705 000 196 000 509 000 49.5 13.8 35.7 7.19 96
* CBR = crude birth rate (per 1000); CDR = crude death rate (per 1000); NC = natural change (per 1000); IMR = infant mortality rate per 1000 births; TFR = total fertility rate (number of children per woman)