Fertility in Bulgaria

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This page gives information of type fertility about the country Bulgaria.
See all pages giving information on fertility for particular countries|See all pages giving information about Bulgaria

Data sources

Some data on this page comes from the Human Fertility Database (website www.humanfertility.org) (data downloaded March 11, 2014, last updated by HFD October 28, 2011). The data collected by the Human Fertility Database is based on government data collection by the government of Bulgaria. You can download the data yourself here. Details about the modalities of data collection are available here. Where available, we use HFD data because of its higher reliability.

Period fertility

Further information: period fertility in Bulgaria


Year Crude birth rate (CBR) (births per 1000 people) CBR minus previous year's CBR Total fertility rate (TFR) (sum of all age-specific fertility rates) ballpark for replacement fertility is 2.1 TFR minus previous year's TFR TFR40 TFR40 minus previous year's TFR40
1947 24.12 2.829 2.737
1948 24.71 0.59 2.875 0.046 2.782 0.045
1949 24.77 0.06 2.869 -0.006 2.777 -0.005
1950 25.17 0.4 2.927 0.058 2.823 0.046
1951 20.87 -4.3 2.424 -0.503 2.348 -0.475
1952 20.91 0.04 2.428 0.004 2.359 0.011
1953 20.64 -0.27 2.411 -0.017 2.34 -0.019
1954 20.03 -0.61 2.36 -0.051 2.295 -0.045
1955 20.02 -0.01 2.38 0.02 2.318 0.023
1956 19.48 -0.54 2.345 -0.035 2.287 -0.031
1957 18.42 -1.06 2.254 -0.091 2.206 -0.081
1958 17.89 -0.53 2.231 -0.023 2.185 -0.021
1959 17.55 -0.34 2.235 0.004 2.196 0.011
1960 17.81 0.26 2.312 0.077 2.274 0.078
1961 17.36 -0.45 2.291 -0.021 2.257 -0.017
1962 16.75 -0.61 2.241 -0.05 2.207 -0.05
1963 16.36 -0.39 2.211 -0.03 2.181 -0.026
1964 16.08 -0.28 2.184 -0.027 2.155 -0.026
1965 15.33 -0.75 2.086 -0.098 2.061 -0.094
1966 14.89 -0.44 2.025 -0.061 2.002 -0.059
1967 14.99 0.1 2.022 -0.003 2 -0.002
1968 16.9 1.91 2.269 0.247 2.247 0.247
1969 16.95 0.05 2.268 -0.001 2.248 0.001
1970 16.34 -0.61 2.173 -0.095 2.155 -0.093
1971 15.85 -0.49 2.102 -0.071 2.084 -0.071
1972 15.3 -0.55 2.028 -0.074 2.011 -0.073
1973 16.2 0.9 2.148 0.12 2.132 0.121
1974 17.18 0.98 2.289 0.141 2.273 0.141
1975 16.58 -0.6 2.226 -0.063 2.211 -0.062
1976 16.54 -0.04 2.243 0.017 2.228 0.017
1977 16.09 -0.45 2.206 -0.037 2.192 -0.036
1978 15.47 -0.62 2.149 -0.057 2.137 -0.055
1979 15.33 -0.14 2.155 0.006 2.143 0.006
1980 14.47 -0.86 2.054 -0.101 2.042 -0.101
1981 13.99 -0.48 2.003 -0.051 1.992 -0.05
1982 13.93 -0.06 2.012 0.009 2.002 0.01
1983 13.77 -0.16 2.006 -0.006 1.996 -0.006
1984 13.66 -0.11 2.009 0.003 1.999 0.003
1985 13.28 -0.38 1.978 -0.031 1.968 -0.031
1986 13.4 0.12 2.019 0.041 2.009 0.041
1987 13 -0.4 1.965 -0.054 1.955 -0.054
1988 13.07 0.07 1.972 0.007 1.962 0.007
1989 12.57 -0.5 1.889 -0.083 1.88 -0.082
1990 11.93 -0.64 1.787 -0.102 1.778 -0.102
1991 11.03 -0.9 1.644 -0.143 1.636 -0.142
1992 10.42 -0.61 1.544 -0.1 1.534 -0.102
1993 9.97 -0.45 1.466 -0.078 1.456 -0.078
1994 9.44 -0.53 1.378 -0.088 1.37 -0.086
1995 8.61 -0.83 1.249 -0.129 1.241 -0.129
1996 8.71 0.1 1.257 0.008 1.248 0.007
1997 7.8 -0.91 1.122 -0.135 1.114 -0.134
1998 8.03 0.23 1.152 0.03 1.144 0.03
1999 8.96 0.93 1.284 0.132 1.276 0.132
2000 9.21 0.25 1.322 0.038 1.312 0.036
2001 8.6 -0.61 1.236 -0.086 1.226 -0.086
2002 8.45 -0.15 1.213 -0.023 1.204 -0.022
2003 8.61 0.16 1.234 0.021 1.224 0.02
2004 8.98 0.37 1.287 0.053 1.276 0.052
2005 9.18 0.2 1.314 0.027 1.303 0.027
2006 9.61 0.43 1.378 0.064 1.366 0.063
2007 9.84 0.23 1.417 0.039 1.402 0.036
2008 10.2 0.36 1.479 0.062 1.463 0.061
2009 10.67 0.47 1.567 0.088 1.548 0.085
Maximum 25.17 1.91 2.927 0.247 2.823 0.247
Minimum 7.8 -4.3 1.122 -0.503 1.114 -0.475
Average (arithmetic mean) 14.6392063492 -0.2169354839 1.9592539683 -0.0203548387 1.932968254 -0.0191774194
Geometric mean 13.9437724566 1.9001369484 1.8771289495
Median 14.99 -0.275 2.028 -0.019 2.011 -0.018
Standard deviation 4.542091781 0.7535459099 0.466292514 0.0956157091 0.4478103346 0.0928170286
Slope for best linear fit (using linear regression) -0.2342909946 0.0087439249 -0.0233546947 0.0007575231 -0.0222564324 0.0006648284
Multiplier for best logarithmic fit (using linear regression on logarithm) 0.9837146322 0.9875051774 0.9878649347
R^2 for linear regression 0.8940023455 0.2093496293 0.8428897638 0.1429361663 0.8299695406 0.129228228


Completed fertility

Further information: completed fertility in Bulgaria


Cohort Completed cohort fertility (CCF) CCF minus previous year's CCF CCF40 CCF40 minus previous year's CCF40
1932 2.046 2.03
1933 2.049 0.003 2.034 0.004
1934 2.041 -0.008 2.027 -0.007
1935 2.032 -0.009 2.019 -0.008
1936 2.036 0.004 2.023 0.004
1937 2.038 0.002 2.027 0.004
1938 2.038 0 2.027 0
1939 2.052 0.014 2.041 0.014
1940 2.086 0.034 2.075 0.034
1941 2.094 0.008 2.084 0.009
1942 2.092 -0.002 2.082 -0.002
1943 2.075 -0.017 2.066 -0.016
1944 2.079 0.004 2.069 0.003
1945 2.07 -0.009 2.06 -0.009
1946 2.055 -0.015 2.046 -0.014
1947 2.051 -0.004 2.041 -0.005
1948 2.063 0.012 2.053 0.012
1949 2.079 0.016 2.07 0.017
1950 2.064 -0.015 2.054 -0.016
1951 2.048 -0.016 2.039 -0.015
1952 2.037 -0.011 2.029 -0.01
1953 2.036 -0.001 2.028 -0.001
1954 2.042 0.006 2.033 0.005
1955 2.026 -0.016 2.017 -0.016
1956 2.035 0.009 2.026 0.009
1957 2.043 0.008 2.035 0.009
1958 2.017 -0.026 2.007 -0.028
1959 1.989 -0.028 1.979 -0.028
1960 unavailable 1.943 -0.036
1961 unavailable 1.904 -0.039
1962 unavailable 1.864 -0.04
1963 unavailable 1.85 -0.014
1964 unavailable 1.87 0.02
1965 unavailable 1.802 -0.068
1966 unavailable 1.798 -0.004
1967 unavailable 1.77 -0.028
1968 unavailable 1.739 -0.031
1969 unavailable 1.673 -0.066


Other fertility data