Ichikawa (市川市)

City

Chiba (千葉) — 2025 — Based on Basic Resident Register

Total Population

494,720

+1,825 (0.37%)

Young (0–14)

11.1%

54,992

Working Age (15–64)

67.4%

333,222

Aging Rate

21.5%

106,506

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	494,720	249,810	244,910
Young (0–14)	54,992	28,164	26,828
Working Age (15–64)	333,222	174,637	158,585
Elderly (65+)	106,506	47,009	59,497

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	494,720	54,992	333,222	106,506	21.5%
2024	492,895	56,004	330,713	106,178	21.5%
2023	491,577	56,751	328,932	105,894	21.5%
2022	490,843	57,361	327,829	105,653	21.5%
2021	491,764	58,107	328,719	104,938	21.3%
2020	490,192	58,226	328,249	103,712	21.2%
2019	487,536	58,903	326,022	102,607	21.0%
2018	484,605	59,142	324,194	101,264	20.9%
2017	480,744	59,316	322,260	99,165	20.6%
2016	476,560	59,368	320,200	96,989	20.4%
2015	472,757	59,584	318,896	94,273	19.9%
2014	469,148	59,804	319,096	90,244	19.2%
2013	468,367	59,996	320,759	87,608	18.7%
2012	458,679	59,634	316,108	82,937	18.1%
2011	461,014	60,481	320,501	80,032	17.4%
2010	461,638	60,784	322,216	78,638	17.0%
2009	460,303	60,872	323,559	75,872	16.5%
2008	457,564	60,811	324,692	72,061	15.7%
2007	454,923	60,672	325,491	68,760	15.1%
2006	453,102	60,683	327,139	65,280	14.4%
2005	452,905	60,882	329,703	62,320	13.8%
2004	451,940	60,784	331,357	59,799	13.2%
2003	450,188	60,622	332,003	57,563	12.8%
2002	447,686	60,270	332,416	55,000	12.3%
2001	441,759	59,592	329,916	52,251	11.8%
2000	437,481	59,359	328,664	49,458	11.3%
1999	433,545	59,628	326,991	46,926	10.8%
1998	430,691	60,389	325,251	45,051	10.5%
1997	428,418	61,589	324,194	42,635	10.0%
1996	427,993	63,402	323,792	40,799	9.5%
1995	428,401	64,848	324,478	39,075	9.1%