Tochigi population pyramid 2025

Name: Population of Tochigi by sex and five-year age group, 2020–2050
Creator: National Institute of Population and Social Security Research

Projection

◀2025▶

Population: 1.9 million
Aged 0–14: 10.6%
Aged 15–64: 58.2%
Aged 65+: 31.2%
Aged 75+: 17.4%
vs 2020: -3.4%

Population by sex and five-year age group (men left, women right). The axis is fixed across 2020–2050 so years can be compared.

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<iframe src="https://pyramid.0xkaz.com/embed/jp/09/2025" title="Tochigiの人口ピラミッド（2025年）" loading="lazy" style="width:100%;max-width:720px;aspect-ratio:720/615;border:0"></iframe>
<p><a href="https://pyramid.0xkaz.com/jp/09/2025">Tochigiの人口ピラミッド（2025年）</a></p>

Population by sex and age group, 2020–2050 (CSV)

Data may be reused with attribution to the original sources (UN, World Bank, etc.).

Tochigi at a glance

In 2025 the population of Tochigi is projected to be 1.9 million: 10.6% aged 0–14, 58.2% aged 15–64 and 31.2% aged 65 and over (17.4% aged 75+).

From 1.9 million in 2020 it is projected to shrink by 22.3% to 1.5 million in 2050; the share aged 65+ rises from 29.1% to 39.6%.

Among the 47 prefectures, it ranks 19th largest by population in 2025, 20th smallest by the size of the decline from 2020 to 2050, and 20th lowest by the share aged 65+ in 2050.

The future of Tochigi, compared

	2020	2050	Change	65+ (2020)	65+ (2050)	0–14 (2050)
Tochigi	1.9 million	1.5 million	-22.3%	29.1%	39.6%	9.2%
Japan	126.1 million	104.7 million	-17.0%	28.6%	37.1%	9.9%

Trends 2020–2050

Population

Share aged 65+ (%)

Municipalities of Tochigi

Municipality pages are in Japanese.

Municipality	2020	2050	Change	65+ (2050)
宇都宮市	518,757	455,580	-12.2%	36.1%
足利市	144,746	100,047	-30.9%	44.1%
栃木市	155,549	112,915	-27.4%	41.3%
佐野市	116,228	87,904	-24.4%	40.6%
鹿沼市	94,033	64,621	-31.3%	44.1%
日光市	77,661	43,723	-43.7%	49.4%
小山市	166,666	150,012	-10.0%	35.2%
真岡市	78,190	59,328	-24.1%	38.8%
大田原市	72,087	52,338	-27.4%	40.0%
矢板市	31,165	19,273	-38.2%	48.6%
那須塩原市	115,210	95,216	-17.4%	39.9%
さくら市	44,513	38,224	-14.1%	35.3%
那須烏山市	24,875	12,959	-47.9%	57.1%
下野市	59,507	48,870	-17.9%	38.3%
上三川町	30,806	23,977	-22.2%	39.1%
益子町	21,898	13,260	-39.4%	50.6%
茂木町	11,891	5,194	-56.3%	61.8%
市貝町	11,262	7,681	-31.8%	46.5%
芳賀町	14,961	11,212	-25.1%	39.5%
壬生町	39,474	31,487	-20.2%	38.1%
野木町	24,913	18,370	-26.3%	40.7%
塩谷町	10,354	4,587	-55.7%	60.7%
高根沢町	29,229	22,545	-22.9%	37.8%
那須町	23,956	15,893	-33.7%	54.3%
那珂川町	15,215	6,986	-54.1%	59.4%

Municipalities of Tochigi with the largest decline (2020→2050)

茂木町（-56.3%）
塩谷町（-55.7%）
那珂川町（-54.1%）
那須烏山市（-47.9%）
日光市（-43.7%）
益子町（-39.4%）
矢板市（-38.2%）
那須町（-33.7%）
市貝町（-31.8%）
鹿沼市（-31.3%）

Source: processed from the National Institute of Population and Social Security Research, Regional Population Projections for Japan (2023) (https://www.ipss.go.jp/pp-shicyoson/j/shicyoson23/t-page.asp). 2020 is the census; 2025 onwards are projections.