Population & demographics in Trosa Municipality

Name: Population & demographics — Trosa
Creator: Sverigefakta
License: https://sverigefakta.com/citera

Population, age structure, births and net internal migration in Trosa. Foreign background is reported separately on the municipality immigration page. Verified time series from Statistics Sweden and Kolada — latest year 2025.

Foreign background and migration in Trosa

Latest data year: 2025 · 17 indicators · Package version: v10 · Updated: 2026-09-10

Population (31 Dec)

14 903 people

2025 · +4.2 % vs 2020

Natural change (births − deaths)

-34.0 people

2025 · -312.5 % vs 2020

Net migration (in − out)

4.00 people

2025 · -99.3 % vs 2020

Population density70.9 inv/km²2025 · Beräknat av Sverigefakta ur SCB BE0101N1 och landareal (Kolada N02993)

Population & growth

Population (31 Dec)

14 903 people(2025)

20022025

Population (31 Dec), Trosa — 2002–2025 (personer)
Year	Value (personer)
2002	10,514
2003	10,565
2004	10,627
2005	10,831
2006	10,951
2007	11,038
2008	11,362
2009	11,446
2010	11,462
2011	11,493
2012	11,529
2013	11,680
2014	11,864
2015	12,078
2016	12,447
2017	12,916
2018	13,309
2019	13,747
2020	14,309
2021	14,658
2022	14,760
2023	14,885
2024	14,927
2025	14,903

Source: SCB BE0101N1 (SCB:BE0101N1) · 2002–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

24 yearsSCB BE0101N1

Annual population change

-24.0 people(2025)

20032025

Annual population change, Trosa — 2003–2025 (personer)
Year	Value (personer)
2003	51
2004	62
2005	204
2006	120
2007	87
2008	324
2009	84
2010	16
2011	31
2012	36
2013	151
2014	184
2015	214
2016	369
2017	469
2018	393
2019	438
2020	562
2021	349
2022	102
2023	125
2024	42
2025	-24

Source: SCB BE0101N1 (SCB:BE0101N1) · 2003–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

23 yearsSCB BE0101N1

Population change, 5 years

4.15 %(2025)

20072025

Population change, 5 years, Trosa — 2007–2025 (%)
Year	Value (%)
2007	5
2008	7.5
2009	7.7
2010	5.8
2011	4.9
2012	4.4
2013	2.8
2014	3.7
2015	5.4
2016	8.3
2017	12
2018	13.9
2019	15.9
2020	18.5
2021	17.8
2022	14.3
2023	11.8
2024	8.6
2025	4.2

Source: SCB BE0101N1 (SCB:BE0101N1) · 2007–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

19 yearsSCB BE0101N1

Population change, 10 years

23.4 %(2025)

20122025

Source: SCB BE0101N1 (SCB:BE0101N1) · 2012–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

14 yearsSCB BE0101N1

Residents aged 0–19, share (%)

23.1 %(2025)

20142025

Source: SCB via Kolada N01994 (Kolada:N01994) · 2014–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

12 yearsSCB via Kolada N01994

Residents aged 20–64, share (%)

50.7 %(2025)

20142025

Source: SCB via Kolada N01961 (Kolada:N01961) · 2014–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

12 yearsSCB via Kolada N01961

Residents aged 65–79, share (%)

18.6 %(2025)

20142025

Source: SCB via Kolada N01812 (Kolada:N01812) · 2014–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

12 yearsSCB via Kolada N01812

Residents aged 80+, share (%)

7.54 %(2025)

20142025

Source: SCB via Kolada N01813 (Kolada:N01813) · 2014–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

12 yearsSCB via Kolada N01813

Demographic dependency ratio

0.97 ratio(2025)

20142025

Source: SCB via Kolada N00927 (Kolada:N00927) · 2014–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

12 yearsSCB via Kolada N00927

Births, deaths & natural change

Births, number

100 people(2025)

20142025

Source: SCB via Kolada N01804 (Kolada:N01804) · 2014–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

12 yearsSCB via Kolada N01804

Deaths, number

134 people(2025)

20142025

Source: SCB via Kolada N01805 (Kolada:N01805) · 2014–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

12 yearsSCB via Kolada N01805

Natural change (births − deaths)

-34.0 people(2025)

20142025

Source: Beräknat av Sverigefakta ur SCB via Kolada N01804/N01805 (Kolada:N01804+N01805) · 2014–2025 · Data status: complete / derived · Last verified: unknown · Revision: unknown

12 yearsBeräknat av Sverigefakta ur SCB via Kolada N01804/N01805

Migration flows

In-migration to the municipality

789 people(2025)

20142025

Source: SCB via Kolada N01801 (Kolada:N01801) · 2014–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

12 yearsSCB via Kolada N01801

Out-migration from the municipality

785 people(2025)

20142025

Source: SCB via Kolada N01802 (Kolada:N01802) · 2014–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

12 yearsSCB via Kolada N01802

Net migration (in − out)

4.00 people(2025)

20142025

Source: Beräknat av Sverigefakta ur SCB via Kolada N01801/N01802 (Kolada:N01801+N01802) · 2014–2025 · Data status: complete / derived · Last verified: unknown · Revision: unknown

12 yearsBeräknat av Sverigefakta ur SCB via Kolada N01801/N01802

Net domestic migration

49.0 people(2025)

20142025

Source: SCB via Kolada N01964 (Kolada:N01964) · 2014–2025 · Data status: complete / observed · Last verified: unknown · Revision: unknown

12 yearsSCB via Kolada N01964

Deep dive

See population & demographics in a national context

Read chapter: Demography →

Year	Value (%)
2012	9.7
2013	10.6
2014	11.6
2015	11.5
2016	13.7
2017	17
2018	17.1
2019	20.1
2020	24.8
2021	27.5
2022	28
2023	27.4
2024	25.8
2025	23.4

Year	Value (%)
2014	23.6
2015	23.4
2016	23.4
2017	23.6
2018	23.7
2019	23.8
2020	24.1
2021	23.9
2022	23.9
2023	23.7
2024	23.4
2025	23.1

Year	Value (%)
2014	53.5
2015	52.9
2016	52.5
2017	52.1
2018	51.9
2019	51.8
2020	51.5
2021	51.6
2022	51.4
2023	51.1
2024	50.9
2025	50.7

Year	Value (%)
2014	18.8
2015	19.4
2016	19.7
2017	19.9
2018	19.8
2019	19.7
2020	19.5
2021	19.3
2022	19
2023	18.9
2024	18.8
2025	18.6