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

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

Population

Largest villages in Kiribati 2020 Kiribati Census^[1]^[2]
	Rank	Name	Island	Pop.
Betio Bikenibeu	1	Betio	South Tarawa	18,565	Teaoraereke Bairiki
	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

Structure of the population

Population by Sex and Age Group (Census 07.XI.2015): ^[3]

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): ^[3]

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

Statistics

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%
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: ^[4]^[5]

The following demographic statistics are from the CIA World Factbook, unless otherwise indicated.^[6]

Nationality

Noun: I-Kiribati (singular and plural forms)
Adjective: Kiribati or Gilbertese

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)

Religions

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.)

Languages

English (official)
Gilbertese (official)

Population

110,136 (2015 Census)
119,940 (2020 Census)

Age structure

0–14 years: 28.47% (male 16,223, female 15,604)
15–24 years: 20.24% (male 11,171, female 11,459)
25–54 years: 40.05% (male 21,530, female 23,249)
55–64 years: 6.65% (male 3,350, female 4,084)
65 years and over: 4.59% (male 2,004, female 3,122) (2015 est.)

From 2015 Census:

0–5 years: 17,466
6–14 years: 20,962
15–17 years: 7,089
18–49 years: 49,972
+ 50 years: 14,637

Median age

Average: 23.9 years
Male: 23.1 years
Female: 24.8 years (2015 est.)

Population growth rate

1.09% (2020 est.)

Birth rate

20.5 births/1,000 population (2020 est.)

Death rate

6.9 deaths/1,000 population (2020 est.)

Net migration rate

-2.8 migrant(s)/1,000 population (2020 est.)

Urbanization

Urban population: 55.6% of Total population (2020)
Rate of urbanization: 1.78% annual rate of change (2010—15 est.)

Sex ratio (male(s) to female)

At birth: 1.05
0–14 years: 1.04
15–24 years: 0.97
25–54 years: 0.93
55–64 years: 0.82
65 years and over: 0.64
Total population: 0.94 (2020 est.)

Maternal mortality rate

90 deaths/100,000 live births (2015 est.)

Infant mortality rate

Total: 34.26 deaths/1,000 live births
Male: 35.48 deaths/1,000 live births
Female: 32.99 deaths/1,000 live births (2015 est.)

Life expectancy at birth

Total population: 67.5 years
Male: 65 years
Female: 70.2 years (2020 est.)

Total fertility rate

2.25 children born/woman (2020 est.)
3.3 (2018–19) - Pacific community^[8]

Health expenditure (% of GDP)

10.8% (2017)

Physicians density

0.2 physicians/1,000 population (2013)

Hospital bed density

1.9 beds/1,000 population (2015)

Obesity – adult prevalence rate

46% (2016)

School life expectancy

Male: 11 years
Female: 12 years (2015 est.)

References

^ "Population and Housing Census" (PDF). National Statistics Office. Kiribati 2015 census of population and housing. Ministry of Finance. 2015. pp. 34–50. Archived from the original (PDF) on 2019-10-29. Retrieved 2020-07-03.
^ "Archived copy". Archived from the original on 2021-10-10. Retrieved 2021-02-07.((cite web)): CS1 maint: archived copy as title (link)
^ ^a ^b "UNSD — Demographic and Social Statistics". unstats.un.org. Retrieved 2023-05-10.
^ "Census of Population and Housing". Archived from the original on 2015-03-29. Retrieved 2014-07-17.
^ "Archived copy" (PDF). Archived from the original (PDF) on September 30, 2013. Retrieved March 17, 2013.((cite web)): CS1 maint: archived copy as title (link)
^ "Australia-Oceania :: KIRIBATI". CIA The World Factbook. 6 June 2022.
^ Since 2014, there are two separate church denominations: the older Kiribati Protestant Church and the new Kiribati Uniting Church.
^ "Pacific Island 2020 populations poster = Les populations du Pacifique 2020 | Statistics for Development Division". sdd.spc.int. Retrieved 2022-11-30.

This article incorporates public domain material from The World Factbook. CIA.

v t e Geography of Kiribati
Gilbert Islands	Abaiang Abemama Aranuka Arorae Beru Butaritari Kuria Maiana Makin Marakei Nikunau Nonouti Onotoa Tabiteuea Tamana Tarawa
Phoenix Islands	Birnie Island Canton Enderbury Island Manra McKean Island Nikumaroro Orona Rawaki
Line Islands	Caroline Island Flint Island Kiritimati Malden Island Starbuck Island Tabuaeran Teraina Vostok Island
West of Gilberts	Banaba
Reefs	Carondelet Reef Filippo Reef Winslow Reef
Outline of Kiribati Media related to Geography of Kiribati at Wikimedia Commons

v t e Demographics of Oceania
Sovereign states	Australia Federated States of Micronesia Fiji Kiribati Marshall Islands Nauru New Zealand Palau Papua New Guinea Samoa Solomon Islands Tonga Tuvalu Vanuatu
Associated states of New Zealand	Cook Islands Niue
Dependencies and other territories	American Samoa Christmas Island Clipperton Island Cocos (Keeling) Islands Easter Island French Polynesia Guam Hawaii New Caledonia Norfolk Island Northern Mariana Islands Pitcairn Islands Tokelau Wallis and Futuna