Kokubunji (国分寺市)

City

Tokyo (東京) — 2025 — Based on Basic Resident Register

Total Population

129,500

+738 (0.57%)

Young (0–14)

12.5%

16,214

Working Age (15–64)

65.4%

84,643

Aging Rate

22.1%

28,643

Population Trends (1995–2025)

* Data before 2012 includes Japanese residents only (foreign residents were added to the Basic Resident Register in July 2012)

Category	Total	Male	Female
Total	129,500	63,439	66,061
Young (0–14)	16,214	8,419	7,795
Working Age (15–64)	84,643	42,602	42,041
Elderly (65+)	28,643	12,418	16,225

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	129,500	16,214	84,643	28,643	22.1%
2024	128,762	16,066	84,241	28,455	22.1%
2023	128,238	16,031	84,099	28,108	21.9%
2022	127,792	15,940	83,879	27,973	21.9%
2021	126,862	15,724	83,391	27,747	21.9%
2020	125,170	15,413	82,400	27,357	21.9%
2019	123,689	15,160	81,502	27,027	21.9%
2018	121,673	14,843	80,119	26,711	22.0%
2017	120,656	14,716	79,541	26,399	21.9%
2016	119,940	14,587	79,405	25,948	21.6%
2015	119,379	14,491	79,431	25,457	21.3%
2014	118,697	14,541	79,521	24,635	20.8%
2013	118,190	14,431	79,649	24,110	20.4%
2012	115,514	14,105	78,373	23,036	19.9%
2011	115,636	14,177	78,942	22,517	19.5%
2010	116,182	14,310	79,586	22,286	19.2%
2009	116,233	14,416	79,905	21,912	18.9%
2008	115,208	14,364	79,782	21,062	18.3%
2007	114,456	14,216	79,586	20,654	18.0%
2006	113,635	14,186	79,548	19,901	17.5%
2005	112,995	14,041	79,656	19,298	17.1%
2004	111,233	13,734	78,861	18,638	16.8%
2003	110,832	13,650	79,066	18,116	16.3%
2002	109,886	13,545	78,960	17,381	15.8%
2001	108,079	13,285	78,279	16,515	15.3%
2000	105,035	12,833	76,573	15,629	14.9%
1999	104,132	12,898	76,301	14,933	14.3%
1998	103,321	13,102	75,979	14,240	13.8%
1997	103,041	13,367	76,204	13,470	13.1%
1996	102,675	13,514	76,328	12,833	12.5%
1995	102,282	13,746	76,444	12,092	11.8%