Population in Västerås

Population, population change and age structure in Västerås, compared with Sweden. Statistics from SCB.

Population

161,240

31 December 2025

Five-year change

+3.7%

2020–2025

Sweden: +2.2%

Calculated by sverige.fyi from SCB data

Population trend

Population on 31 December each year, 2015–2025.

2015
145,218

2025
161,240

2024 → 2025

Source: SCB · TAB638, TAB5557

Share of the population in each five-year age group, 2025.

Västerås Sweden

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Age	Västerås · Share	Västerås · Count	Sweden · Share	Sweden · Count
Ages 0–4	5.2%	8,328	4.9%	522,283
Ages 5–9	6.0%	9,594	5.6%	598,642
Ages 10–14	6.0%	9,665	5.9%	624,495
Ages 15–19	6.0%	9,744	6.0%	634,336
Ages 20–24	5.5%	8,887	5.7%	602,824
Ages 25–29	6.1%	9,818	5.8%	618,019
Ages 30–34	7.4%	11,945	7.0%	745,695
Ages 35–39	7.3%	11,814	7.1%	756,657
Ages 40–44	6.3%	10,163	6.3%	667,164
Ages 45–49	5.9%	9,558	6.0%	638,977
Ages 50–54	6.2%	10,030	6.3%	667,467
Ages 55–59	6.3%	10,198	6.3%	663,165
Ages 60–64	5.9%	9,501	5.9%	630,264
Ages 65–69	4.8%	7,702	5.2%	550,159
Ages 70–74	4.2%	6,833	4.8%	505,291
Ages 75–79	4.4%	7,081	4.7%	496,130
Ages 80–84	3.5%	5,621	3.6%	379,771
Ages 85–89	1.9%	3,104	1.9%	196,920
Ages 90–94	0.8%	1,261	0.8%	82,062
Ages 95–99	0.2%	344	0.2%	22,225
100 years or older	0.0%	48	0.0%	2,988

Source: SCB · TAB5557