Total Fertility Rate


total fertility rate and age specific fertility rate per census years
Census Period of
estimate		 TFR Age Specific Fertility Rates (Age Group)
15-19 20-24 25-29 30-34 35-39 40-44 45-49
1999 1999* 5.71 0.094 0.285 0.273 0.237 0.139 0.068 0.047
1999 1998 5.89 0.091 0.268 0.287 0.244 0.183 0.079 0.025
1999 1997 6.07 0.095 0.274 0.295 0.25 0.19 0.083 0.028
1999 1996 6.23 0.103 0.28 0.3 0.255 0.193 0.087 0.029
1999 1995 6.39 0.111 0.285 0.306 0.26 0.196 0.09 0.031
1999 1994 6.54 0.118 0.29 0.311 0.264 0.198 0.093 0.325
1999 1993 6.68 0.125 0.295 0.316 0.268 0.201 0.096 0.034
1999 1992 6.81 0.131 0.3 0.321 0.272 0.204 0.099 0.035
1999 1991 6.93 0.137 0.304 0.325 0.276 0.206 0.102 0.037
1999 1990 7.04 0.141 0.308 0.329 0.279 0.209 0.104 0.038
1999 1989 7.14 0.143 0.313 0.333 0.283 0.212 0.107 0.038
1988 1988 7.23 0.162 0.391 0.347 0.246 0.182 0.089 0.029
1988 1982/83 7.39 0.137 0.368 0.385 0.29 0.202 0.075 0.021
1988 1977/78 7.51 0.121 0.36 0.382 0.307 0.247 0.063 0.023
1980 1976/80 7.88 0.155 0.332 0.356 0.305 0.242 0.133 0.053
1980 1971/75 7.92 0.149 0.324 0.363 0.317 0.238 0.131 0.062
1973 1969/73 8.42 0.126 0.322 0.38 0.374 0.284 0.13 0.07
1980 1966/70 8.14 0.147 0.346 0.377 0.344 0.241 0.124 0.049
1973 1964/68 8.72 0.161 0.345 0.398 0.383 0.274 0.135 0.049
1973 1959/63 7.92 0.171 0.338 0.364 0.316 0.238 0.114 0.044

1999 Census of Population and Housing, EPPSO.

An Age Specific Fertility Rate (ASFR) is calculated as the number of births in a year by mothers' in a specific age group. This is then rated so that it is per woman (or per 1000 women) in the same age group, usually at midyear.

The Total Fertility Rate (TFR) is a summary measure independent of the age and sex composition of a population.

It represents the average number of children a group of women would have by the end of their reproductive years.

TFR for 1989-1998 are estimated by interpolating the census results of 1988 and 1999, using the Population Analysis Software's ASFRPATT program. ASFR for 1989-1998 are estimated by using the Population Analysis Software's ASFRPATT program.

Sources: Trust Territory of the Pacific Islands, Bulletin of Statistics Vol. III, 1973. 1980 Census of Population, US Bureau of the Census and EPPSO. 1988 Census of Population and Housing, EPPSO.