Fertility & birth rates in Bulgaria and Kiribati

Fertility rate in Bulgaria vs Kiribati by year

Chart Table

Bulgaria

Kiribati

1x

Year	Fertility rate
	Bulgaria	Kiribati
2023	1.81	3.15
2022	1.78	3.18
2021	1.8	3.22
2020	1.77	3.25
2019	1.79	3.29
2018	1.73	3.32
2017	1.71	3.34
2016	1.67	3.38
2015	1.64	3.44
2014	1.62	3.52
2013	1.54	3.64
2012	1.5	3.77
2011	1.51	3.88
2010	1.57	3.9
2009	1.66	3.91
2008	1.56	3.9
2007	1.49	3.87
2006	1.44	3.82
2005	1.37	3.76
2004	1.33	3.73
2003	1.26	3.7
2002	1.23	3.81
2001	1.21	3.96
2000	1.26	4.07
1999	1.23	4.18
1998	1.11	4.29
1997	1.09	4.37
1996	1.23	4.43
1995	1.23	4.42
1994	1.37	4.44
1993	1.46	4.49
1992	1.55	4.57
1991	1.66	4.64
1990	1.82	4.67
1989	1.9	4.69
1988	1.97	4.73
1987	1.96	4.81
1986	2.02	4.87
1985	1.97	4.91
1984	2.01	4.91
1983	2.01	4.91
1982	2.01	4.95
1981	2	4.96
1980	2.05	4.96
1979	2.16	4.97
1978	2.15	4.97
1977	2.21	4.96
1976	2.24	4.96
1975	2.23	5.02
1974	2.29	5.09
1973	2.15	5.2
1972	2.03	5.37
1971	2.1	5.55
1970	2.17	5.71
1969	2.27	5.85
1968	2.27	5.98
1967	2.02	6.11
1966	2.03	6.23
1965	2.09	6.26
1964	2.19	6.29
1963	2.21	6.35
1962	2.24	6.42
1961	2.29	6.48
1960	2.31	6.44

According to the latest available data on birth rates, the fertility rate in Bulgaria was 1.81 children per woman in 2023, compared to 3.15 in Kiribati in 2023. The replacement level is considered to be 2.1 children per woman.

Check Bulgaria vs Kiribati population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

Bulgaria

Kiribati

1x

Year	Natural population change
	Bulgaria	Kiribati
2023	-43,837	2,487
2022	-62,065	2,522
2021	-90,452	2,408
2020	-65,507	2,497
2019	-46,317	2,560
2018	-46,304	2,561
2017	-45,583	2,549
2016	-42,744	2,546
2015	-44,699	2,555
2014	-41,027	2,577
2013	-37,948	2,629
2012	-40,183	2,678
2011	-37,477	2,709
2010	-34,759	2,644
2009	-26,800	2,573
2008	-32,967	2,493
2007	-37,727	2,393
2006	-39,526	2,285
2005	-42,124	2,188
2004	-40,128	2,118
2003	-44,319	2,045
2002	-46,240	2,074
2001	-44,050	2,121
2000	-41,668	2,153
1999	-39,411	2,186
1998	-52,844	2,210
1997	-58,185	2,220
1996	-45,159	2,217
1995	-42,030	2,183
1994	-32,086	2,168
1993	-24,569	2,161
1992	-18,789	2,173
1991	-14,675	2,176
1990	-3,487	2,127
1989	5,326	2,073
1988	9,879	2,022
1987	8,971	1,982
1986	16,125	1,933
1985	11,649	1,881
1984	20,610	1,813
1983	21,455	1,748
1982	24,077	1,697
1981	29,341	1,635
1980	30,129	1,571
1979	40,599	1,509
1978	44,070	1,480
1977	47,543	1,426
1976	56,055	1,425
1975	54,941	1,423
1974	64,223	1,430
1973	57,760	1,409
1972	47,169	1,406
1971	52,925	1,406
1970	61,125	1,388
1969	63,256	1,367
1968	69,468	1,393
1967	49,861	1,417
1966	54,504	1,437
1965	58,249	1,376
1964	66,783	1,318
1963	66,241	1,273
1962	64,104	1,233
1961	75,460	1,199
1960	76,314	1,141

The chart above illustrates the comparison of the absolute yearly changes in population resulting from births and deaths.

Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was -0.68% in Bulgaria and +1.88% in Kiribati.

For the past 10 years, the annual natural population change has been -0.79% in Bulgaria and +2.05% in Kiribati.

Birth rate in Bulgaria vs Kiribati by year

Chart Table

Bulgaria

Kiribati

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Bulgaria	Kiribati
2023	8.9	25.8
2022	8.8	26.4
2021	9	26.9
2020	9	27.4
2019	9.3	27.8
2018	9.3	28.1
2017	9.4	28.3
2016	9.4	28.5
2015	9.4	28.9
2014	9.6	29.3
2013	9.3	30
2012	9.5	30.8
2011	9.6	31.4
2010	10.2	31.2
2009	10.9	31.1
2008	10.4	30.8
2007	10	30.3
2006	9.7	29.7
2005	9.3	29.2
2004	9.1	28.9
2003	8.7	28.6
2002	8.5	29.4
2001	8.5	30.5
2000	9	31.5
1999	8.8	32.5
1998	7.9	33.4
1997	7.7	34.1
1996	8.6	34.8
1995	8.6	35
1994	9.4	35.4
1993	10	35.9
1992	10.4	36.8
1991	11.1	37.6
1990	12.1	37.7
1989	12.6	37.9
1988	13.1	38.2
1987	13	38.6
1986	13.4	38.8
1985	13.3	38.9
1984	13.6	38.6
1983	13.8	38.1
1982	13.9	37.9
1981	14	37.4
1980	14.5	36.8
1979	15.3	36.2
1978	15.5	36.2
1977	16.1	35.7
1976	16.5	35.4
1975	16.6	35.4
1974	17.2	35.7
1973	16.2	35.7
1972	15.3	36.5
1971	15.9	37.4
1970	16.3	38.1
1969	17	38.7
1968	16.9	40.1
1967	15	41.2
1966	14.9	42.2
1965	15.3	42
1964	16.1	42.2
1963	16.4	42.6
1962	16.7	43.1
1961	17.4	43.6
1960	17.8	43.5

The latest reported birth rate per 1,000 people in 2023 was 8.9 in Bulgaria and 25.8 in Kiribati, compared with 17.8 and 43.5, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Bulgaria

Factual

UN forecast

Kiribati

Factual

UN forecast

1x

Year	Young
	Bulgaria	Kiribati
2100	13%	19.5%
2099	13.1%	19.6%
2098	13.1%	19.7%
2097	13.1%	19.8%
2096	13.2%	20%
2095	13.2%	20.1%
2094	13.3%	20.2%
2093	13.4%	20.3%
2092	13.4%	20.5%
2091	13.4%	20.6%
2090	13.5%	20.7%
2089	13.5%	20.9%
2088	13.6%	21%
2087	13.6%	21.2%
2086	13.6%	21.3%
2085	13.6%	21.4%
2084	13.6%	21.6%
2083	13.6%	21.7%
2082	13.6%	21.8%
2081	13.6%	22%
2080	13.6%	22.1%
2079	13.6%	22.2%
2078	13.6%	22.3%
2077	13.6%	22.5%
2076	13.6%	22.6%
2075	13.5%	22.7%
2074	13.5%	22.9%
2073	13.5%	23%
2072	13.5%	23.1%
2071	13.5%	23.3%
2070	13.5%	23.4%
2069	13.6%	23.6%
2068	13.6%	23.8%
2067	13.6%	23.9%
2066	13.6%	24.1%
2065	13.6%	24.3%
2064	13.7%	24.5%
2063	13.7%	24.7%
2062	13.7%	25%
2061	13.8%	25.2%
2060	13.8%	25.4%
2059	13.8%	25.6%
2058	13.9%	25.8%
2057	13.9%	26.1%
2056	13.9%	26.3%
2055	13.9%	26.5%
2054	13.9%	26.7%
2053	13.9%	26.9%
2052	13.9%	27.1%
2051	13.8%	27.3%
2050	13.8%	27.5%
2049	13.8%	27.7%
2048	13.7%	27.9%
2047	13.7%	28%
2046	13.6%	28.2%
2045	13.6%	28.4%
2044	13.6%	28.5%
2043	13.6%	28.7%
2042	13.6%	28.9%
2041	13.6%	29.1%
2040	13.6%	29.3%
2039	13.6%	29.5%
2038	13.7%	29.8%
2037	13.7%	30.1%
2036	13.7%	30.4%
2035	13.7%	30.8%
2034	13.8%	31.1%
2033	13.8%	31.5%
2032	13.9%	31.8%
2031	14%	32.2%
2030	14.1%	32.6%
2029	14.2%	32.9%
2028	14.2%	33.3%
2027	14.3%	33.7%
2026	14.4%	34.2%
2025	14.4%	34.6%
2024	14.5%	34.7%
2023	14.5%	34.9%
2022	14.5%	35.1%
2021	14.5%	35.2%
2020	14.4%	35.2%
2019	14.4%	35.1%
2018	14.3%	35.1%
2017	14.2%	35%
2016	14%	35%
2015	13.9%	35.2%
2014	13.8%	35.4%
2013	13.7%	35.7%
2012	13.6%	36.1%
2011	13.5%	36.4%
2010	13.5%	36.6%
2009	13.4%	36.8%
2008	13.3%	37%
2007	13.4%	37.3%
2006	13.5%	37.6%
2005	13.7%	38%
2004	14%	38.4%
2003	14.4%	38.9%
2002	14.8%	39.3%
2001	15.2%	39.8%
2000	15.7%	40.1%
1999	16.1%	40.5%
1998	16.5%	40.8%
1997	17%	41%
1996	17.4%	41.1%
1995	17.9%	41.2%
1994	18.3%	41.2%
1993	18.8%	41%
1992	19.3%	40.8%
1991	19.8%	40.5%
1990	20.3%	40.2%
1989	20.8%	39.9%
1988	21.1%	39.7%
1987	21.3%	39.4%
1986	21.4%	39.2%
1985	21.6%	39.2%
1984	21.8%	39.2%
1983	22%	39.5%
1982	22.1%	39.9%
1981	22.1%	40.5%
1980	22.1%	41.1%
1979	22.1%	41.8%
1978	22.2%	42.3%
1977	22.2%	42.8%
1976	22.3%	43.2%
1975	22.3%	43.7%
1974	22.2%	44.2%
1973	22.3%	44.6%
1972	22.4%	44.8%
1971	22.6%	44.8%
1970	22.8%	44.9%
1969	23%	45%
1968	23.2%	44.9%
1967	23.4%	44.5%
1966	23.8%	44.1%
1965	24.2%	43.9%
1964	24.7%	44%
1963	25.1%	44%
1962	25.4%	43.8%
1961	25.8%	43.5%
1960	26.1%	43.2%

Children aged 0-14 make up 14.5% of the population in Bulgaria and 34.7% in Kiribati in 2024, compared to 20.3% and 40.2% respectively in 1990.

Demographics of Bulgaria and Kiribati compared.

Maternal mortality chart: Bulgaria vs Kiribati

Chart Table

Bulgaria

Kiribati

1x

Year	Maternal mortality per 100K births
	Bulgaria	Kiribati
2023	6	80
2022	10	86
2021	9	122
2020	9	89
2019	6	89
2018	7	87
2017	7	90
2016	7	88
2015	7	90
2014	7	91
2013	7	93
2012	7	98
2011	8	98
2010	9	102
2009	9	99
2008	10	100
2007	11	101
2006	12	102
2005	13	104
2004	14	106
2003	14	105
2002	15	109
2001	17	113
2000	19	119
1999	20	121
1998	20	126
1997	23	132
1996	22	141
1995	23	148
1994	25	150
1993	23	162
1992	25	175
1991	25	188
1990	27	199
1989	25	212
1988	26	220
1987	25	231
1986	25	232
1985	26	246

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 6 deaths per 100,000 live births in Bulgaria, compared to 80 deaths in Kiribati.

Under-five mortality rates

Chart Table

Bulgaria

Kiribati

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Bulgaria	Kiribati
2023	0.61%	5.51%
2022	0.62%	5.65%
2021	0.63%	5.76%
2020	0.65%	5.86%
2019	0.67%	5.93%
2018	0.7%	5.98%
2017	0.73%	5.99%
2016	0.77%	5.95%
2015	0.82%	5.89%
2014	0.87%	5.84%
2013	0.93%	5.8%
2012	0.99%	5.78%
2011	1.04%	5.79%
2010	1.08%	5.82%
2009	1.12%	5.87%
2008	1.14%	5.93%
2007	1.18%	5.99%
2006	1.24%	6.03%
2005	1.33%	6.07%
2004	1.42%	6.13%
2003	1.51%	6.2%
2002	1.6%	6.31%
2001	1.68%	6.46%
2000	1.75%	6.64%
1999	1.82%	6.83%
1998	1.89%	7.02%
1997	1.93%	7.22%
1996	1.94%	7.42%
1995	1.92%	7.64%
1994	1.91%	7.87%
1993	1.92%	8.13%
1992	1.92%	8.44%
1991	1.89%	8.77%
1990	1.83%	9.13%
1989	1.79%	9.5%
1988	1.78%	9.87%
1987	1.8%	10.2%
1986	1.87%	10.6%
1985	1.97%	10.9%
1984	2.07%	11.1%
1983	2.15%	11.4%
1982	2.22%	11.6%
1981	2.3%	11.7%
1980	2.38%	11.9%
1979	2.49%	12%
1978	2.6%	12.2%
1977	2.72%	12.3%
1976	2.8%	12.4%
1975	2.86%	12.5%
1974	2.91%	12.7%
1973	2.95%	13%
1972	3.01%	13.3%
1971	3.11%	13.7%
1970	3.25%	14.1%
1969	3.4%	14.6%
1968	3.54%	15.2%
1967	3.64%	15.8%
1966	3.7%	16.4%
1965	3.75%	17.1%
1964	3.86%	17.7%
1963	4.08%	18.3%
1962	4.43%	18.9%
1961	4.89%	19.5%
1960	5.47%	19.9%

The chance that a newborn baby will die before reaching age five is 0.61% in Bulgaria and 5.51% in Kiribati. Above is a chart with historical data on under-five mortality rates.