Demographics of Kiribati

Demographic features of the population of Kiribati include population density, ethnicity, education level, health of the populace, economic status, religious affiliations, and other metrics.

Demographics of Kiribati
Kiribati population pyramid in 2020
Population	128,874 (2021)

Population

• 110,136 (2015 census)
• 119,940 (2020 census)

Historical population

Year Pop. ±% 1921 26,430 —     1931 29,751 +12.6% 1947 31,513 +5.9% 1963 43,336 +37.5% 1973 51,926 +19.8% 1978 56,213 +8.3% 1985 63,883 +13.6%	Year Pop. ±% 1990 72,335 +13.2% 1995 77,658 +7.4% 2000 84,494 +8.8% 2005 92,533 +9.5% 2010 103,058 +11.4% 2015 110,136 +6.9% 2020 119,940 +8.9%
Source: [1][2]

Largest villages in Kiribati 2020 Kiribati census[3][4]
Rank	Name	Island	Pop.
1	Betio	South Tarawa	18,565
2	Bikenibeu	South Tarawa	7,547
3	Teaoraereke	South Tarawa	6,073
4	Bairiki	South Tarawa	3,500
5	Temwaiku	South Tarawa	5,504
6	Eita	South Tarawa	3,921
7	Tabwakea	Kiritimati	3,537
8	Bonriki	South Tarawa	3,075
9	Ambo	South Tarawa	3,373
10	London	Kiritimati	1,970

Population structure

Population by sex and age group (census 07.XI.2015): ^[5]

Age group	Male	Female	Total	%
Total	54 096	56 040	110 136	100
0–4	7 546	6 847	14 393	13.07
5–9	6 903	6 697	13 600	12.35
10–14	5 309	5 136	10 445	9.48
15–19	5 851	5 825	11 676	10.60
20–24	5 199	5 120	10 319	9.37
25–29	4 682	4 990	9 672	8.78
30–34	3 838	4 174	8 012	7.27
35–39	3 161	3 423	6 584	5.98
40–44	2 433	2 658	5 091	4.62
45–49	2 676	3 031	5 707	5.18
50–54	2 372	2 533	4 905	4.45
55–59	1 548	1 773	3 321	3.02
60–64	1 051	1 355	2 406	2.18
65–69	731	1 017	1 748	1.59
70–74	460	778	1 238	1.12
75–79	217	391	608	0.55
80–84	80	187	267	0.24
85–89	30	79	109	0.10
90–94	7	17	24	0.02
95–99	2	9	11	0.01
100+	0	0	0	0
Age group	Male	Female	Total	Percent
0–14	19 758	18 680	38 438	34.90
15–64	32 811	34 882	67 693	61.46
65+	1 527	2 478	4 005	3.64

Population by sex and age group (census 07.XI.2020) (provisional): ^[5]

Age group	Male	Female	Total	%
Total	59 154	60 786	119 940	100
0–4	7 965	7 422	15 387	12.83
5–9	7 517	6 895	14 412	12.02
10–14	6 701	6 598	13 299	11.09
15–19	5 368	5 022	10 390	8.66
20–24	5 629	5 520	11 149	9.30
25–29	4 993	5 113	10 106	8.43
30–34	4 511	4 776	9 287	7.74
35–39	3 791	4 086	7 877	6.57
40–44	2 997	3 145	6 142	5.12
45–49	2 311	2 555	4 866	4.06
50–54	2 413	2 802	5 215	4.35
55–59	1 861	2 289	4 150	3.46
60–64	1 386	1 679	3 065	2.56
65+	1 711	2 884	4 595	3.83
Age group	Male	Female	Total	Percent
0–14	22 183	20 915	43 098	35.93
15–64	35 260	36 987	72 247	60.24
65+	1 711	2 884	4 595	3.83

Vital statistics

Vital statistic registration is incomplete.

Total fertility rate

• 2.25 children born/woman (2020 est.)
• 3.3 (2018–19) – Pacific community^[6]

Ethnic groups

• I-Kiribati 96.2%, 105,983
• Mixed/I-Kiribati 1.8% 1,974
• Tuvaluans 0.2% 198
• Others 1.8% 1,981 (2015 census)

Languages

• English (official)
• Gilbertese (official)

Religion

• Roman Catholic: 57.3%
• Kiribati Uniting Church: 31.3%^[7]
• Latter-day Saints: 5.3%
• Baháʼí: 2.1%
• Seventh-day Adventist: 1.9%
• Other: 2.1% (2015 est.)