Fertility & birth rates in Kiribati and Thailand

Fertility rate in Kiribati vs Thailand chart

According to the latest available data on birth rates, the fertility rate in Kiribati was 3.15 children per woman in 2023, compared to 1.21 in Thailand in 2023. The replacement level is considered to be 2.1 children per woman.

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

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Kiribati	Thailand
1960	6.44	6.33
1961	6.48	6.32
1962	6.42	6.33
1963	6.35	6.34
1964	6.29	6.31
1965	6.26	6.26
1966	6.23	6.18
1967	6.11	6.08
1968	5.98	5.93
1969	5.85	5.7
1970	5.71	5.45
1971	5.55	5.25
1972	5.37	5.08
1973	5.2	4.85
1974	5.09	4.6
1975	5.02	4.36
1976	4.96	4.12
1977	4.96	3.87
1978	4.97	3.62
1979	4.97	3.45
1980	4.96	3.29
1981	4.96	3.13
1982	4.95	2.94
1983	4.91	2.76
1984	4.91	2.58
1985	4.91	2.45
1986	4.87	2.36
1987	4.81	2.26
1988	4.73	2.17
1989	4.69	2.14
1990	4.67	2.07
1991	4.64	2.04
1992	4.57	2.01
1993	4.49	1.97
1994	4.44	1.93
1995	4.42	1.89
1996	4.43	1.87
1997	4.37	1.85
1998	4.29	1.82
1999	4.18	1.77
2000	4.07	1.73
2001	3.96	1.71
2002	3.81	1.69
2003	3.7	1.67
2004	3.73	1.67
2005	3.76	1.64
2006	3.82	1.63
2007	3.87	1.62
2008	3.9	1.59
2009	3.91	1.57
2010	3.9	1.56
2011	3.88	1.57
2012	3.77	1.56
2013	3.64	1.53
2014	3.52	1.48
2015	3.44	1.45
2016	3.38	1.4
2017	3.34	1.36
2018	3.32	1.32
2019	3.29	1.29
2020	3.25	1.26
2021	3.22	1.23
2022	3.18	1.22
2023	3.15	1.21
2024	3.12	1.2
2025	3.09	1.19
2026	3.06	1.19
2027	3.03	1.19
2028	3	1.19
2029	2.97	1.19
2030	2.94	1.2
2031	2.92	1.2
2032	2.89	1.21
2033	2.86	1.21
2034	2.84	1.22
2035	2.81	1.22
2036	2.79	1.23
2037	2.77	1.23
2038	2.74	1.24
2039	2.72	1.24
2040	2.69	1.25
2041	2.67	1.25
2042	2.64	1.26
2043	2.62	1.26
2044	2.6	1.26
2045	2.58	1.27
2046	2.56	1.27
2047	2.54	1.28
2048	2.52	1.28
2049	2.5	1.28
2050	2.48	1.29

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Kiribati	Thailand
1960	43.2%	44.3%
1961	43.5%	44.6%
1962	43.8%	44.8%
1963	44%	45.1%
1964	44%	45.3%
1965	43.9%	45.4%
1966	44.1%	45.4%
1967	44.5%	45.3%
1968	44.9%	45.2%
1969	45%	45%
1970	44.9%	44.8%
1971	44.8%	44.4%
1972	44.8%	44%
1973	44.6%	43.5%
1974	44.2%	43%
1975	43.7%	42.4%
1976	43.2%	41.8%
1977	42.8%	41.1%
1978	42.3%	40.3%
1979	41.8%	39.5%
1980	41.1%	38.7%
1981	40.5%	37.8%
1982	39.9%	37%
1983	39.5%	36%
1984	39.2%	35.1%
1985	39.2%	34.1%
1986	39.2%	33.2%
1987	39.4%	32.4%
1988	39.7%	31.5%
1989	39.9%	30.7%
1990	40.2%	30%
1991	40.5%	29.2%
1992	40.8%	28.5%
1993	41%	28%
1994	41.2%	27.4%
1995	41.2%	26.9%
1996	41.1%	26.4%
1997	41%	25.9%
1998	40.8%	25.4%
1999	40.5%	24.9%
2000	40.1%	24.4%
2001	39.8%	23.9%
2002	39.3%	23.4%
2003	38.9%	23%
2004	38.4%	22.6%
2005	38%	22.2%
2006	37.6%	21.7%
2007	37.3%	21.3%
2008	37%	20.9%
2009	36.8%	20.6%
2010	36.6%	20.1%
2011	36.4%	19.7%
2012	36.1%	19.2%
2013	35.7%	18.8%
2014	35.4%	18.5%
2015	35.2%	18.1%
2016	35%	17.7%
2017	35%	17.3%
2018	35.1%	16.9%
2019	35.1%	16.6%
2020	35.2%	16.2%
2021	35.2%	15.8%
2022	35.1%	15.4%
2023	34.9%	15.1%
2024	34.7%	14.7%
2025	34.4%	14.4%
2026	34%	14.1%
2027	33.5%	13.7%
2028	33.1%	13.4%
2029	32.7%	13.1%
2030	32.4%	12.9%
2031	32%	12.7%
2032	31.7%	12.5%
2033	31.3%	12.3%
2034	31%	12.2%
2035	30.6%	12.1%
2036	30.3%	12%
2037	30%	11.9%
2038	29.7%	11.9%
2039	29.4%	11.8%
2040	29.2%	11.8%
2041	29%	11.8%
2042	28.8%	11.8%
2043	28.6%	11.7%
2044	28.4%	11.7%
2045	28.3%	11.7%
2046	28.1%	11.7%
2047	27.9%	11.6%
2048	27.8%	11.6%
2049	27.6%	11.6%
2050	27.4%	11.5%

Children aged 0-14 make up 34.7% of the population in Kiribati and 14.7% in Thailand in 2024, compared to 40.2% and 30% respectively in 1990.

Demographics of Kiribati and Thailand compared.

Natural population change in Kiribati vs Thailand by year

For the past 10 years, the annual natural population change (excluding migration) has been +2.05% in Kiribati and +0.18% in Thailand. The chart below illustrates the comparison of the absolute yearly changes resulting from births and deaths.

Table

Year	Population change due to births and deaths
	Kiribati	Thailand
1960	1,141	774,190
1961	1,199	801,140
1962	1,233	828,741
1963	1,273	860,728
1964	1,318	885,137
1965	1,376	909,000
1966	1,437	929,469
1967	1,417	944,980
1968	1,393	953,806
1969	1,367	948,314
1970	1,388	937,116
1971	1,406	936,215
1972	1,406	940,420
1973	1,409	933,540
1974	1,430	923,151
1975	1,423	911,980
1976	1,425	894,072
1977	1,426	871,232
1978	1,480	847,799
1979	1,509	843,434
1980	1,571	845,575
1981	1,635	839,297
1982	1,697	817,951
1983	1,748	794,239
1984	1,813	779,856
1985	1,881	776,935
1986	1,933	783,430
1987	1,982	774,498
1988	2,022	765,252
1989	2,073	774,563
1990	2,127	760,808
1991	2,176	760,508
1992	2,173	754,999
1993	2,161	737,696
1994	2,168	712,589
1995	2,183	682,703
1996	2,217	661,397
1997	2,220	644,834
1998	2,210	617,318
1999	2,186	578,073
2000	2,153	543,884
2001	2,121	524,230
2002	2,074	504,299
2003	2,045	488,003
2004	2,118	466,542
2005	2,188	456,378
2006	2,285	441,211
2007	2,393	425,362
2008	2,493	401,730
2009	2,573	382,636
2010	2,644	370,466
2011	2,709	365,670
2012	2,678	351,485
2013	2,629	325,059
2014	2,577	294,628
2015	2,555	266,362
2016	2,546	226,255
2017	2,549	194,695
2018	2,561	159,383
2019	2,560	116,867
2020	2,497	84,107
2021	2,408	57,382
2022	2,522	-61,046
2023	2,487	-46,105

Maternal mortality chart: Kiribati vs Thailand

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 80 deaths per 100,000 live births in Kiribati, compared to 34 deaths in Thailand.

Table

Year	Maternal mortality per 100K births
	Kiribati	Thailand
1985	246	88
1986	232	78
1987	231	72
1988	220	67
1989	212	64
1990	199	60
1991	188	59
1992	175	58
1993	162	57
1994	150	54
1995	148	52
1996	141	49
1997	132	48
1998	126	47
1999	121	48
2000	119	49
2001	113	47
2002	109	44
2003	105	42
2004	106	44
2005	104	40
2006	102	38
2007	101	38
2008	100	37
2009	99	37
2010	102	37
2011	98	37
2012	98	36
2013	93	35
2014	91	34
2015	90	34
2016	88	34
2017	90	34
2018	87	34
2019	89	34
2020	89	36
2021	122	38
2022	86	112
2023	80	34

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 5.51% in Kiribati and 0.92% in Thailand. Below is the historical data on under-five mortality rates.

Table

Year	Mortality rate before reaching 5 years of age, per 1,000 live births
	Kiribati	Thailand
1960	19.9%	14.7%
1961	19.5%	14.2%
1962	18.9%	13.7%
1963	18.3%	13.2%
1964	17.7%	12.8%
1965	17.1%	12.3%
1966	16.4%	11.8%
1967	15.8%	11.4%
1968	15.2%	10.9%
1969	14.6%	10.4%
1970	14.1%	9.95%
1971	13.7%	9.47%
1972	13.3%	9.01%
1973	13%	8.56%
1974	12.7%	8.14%
1975	12.5%	7.73%
1976	12.4%	7.35%
1977	12.3%	7%
1978	12.2%	6.67%
1979	12%	6.36%
1980	11.9%	6.07%
1981	11.7%	5.79%
1982	11.6%	5.53%
1983	11.4%	5.28%
1984	11.1%	5.03%
1985	10.9%	4.8%
1986	10.6%	4.57%
1987	10.2%	4.34%
1988	9.87%	4.12%
1989	9.5%	3.91%
1990	9.13%	3.69%
1991	8.77%	3.49%
1992	8.44%	3.3%
1993	8.13%	3.12%
1994	7.87%	2.96%
1995	7.64%	2.81%
1996	7.42%	2.67%
1997	7.22%	2.53%
1998	7.02%	2.41%
1999	6.83%	2.29%
2000	6.64%	2.18%
2001	6.46%	2.08%
2002	6.31%	1.98%
2003	6.2%	1.89%
2004	6.13%	1.81%
2005	6.07%	1.73%
2006	6.03%	1.66%
2007	5.99%	1.59%
2008	5.93%	1.53%
2009	5.87%	1.47%
2010	5.82%	1.42%
2011	5.79%	1.37%
2012	5.78%	1.32%
2013	5.8%	1.27%
2014	5.84%	1.23%
2015	5.89%	1.19%
2016	5.95%	1.15%
2017	5.99%	1.11%
2018	5.98%	1.08%
2019	5.93%	1.04%
2020	5.86%	1.01%
2021	5.76%	0.98%
2022	5.65%	0.95%
2023	5.51%	0.92%