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SVERIGEFAKTA

Population & demographics in Mölndal Municipality

Key facts

  • Population (31 Dec) in Mölndal increased from 63,340 people (2015) to 72,128 people (2025).

    Source: SCB BefolkningCKM (000007ME) · 2015–2025

Population, age structure, births and net internal migration in Mölndal. 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 Mölndal

Latest data year: 2025 · 17 indicators · Package version: v12 · Updated: 2026-10-17

Short answer: Mölndal in figures

  • Population (31 Dec): 72,128 people (2025). Change since 2020: +3.2 % (relative change).

    Source: SCB BefolkningCKM (000007ME)

  • Natural change (births − deaths): 318 people (2025). Change since 2020: −62.0 people.

    Source: Beräknat av SVERIGEFAKTA ur SCB via Kolada N01804/N01805

  • Net migration (in − out): 396 people (2025). Change since 2020: +262.0 people.

    Source: Beräknat av SVERIGEFAKTA ur SCB via Kolada N01801/N01802

National figure and rank use the same year and value as the municipal figure; otherwise they are omitted. Rank 1 = highest value. Election-cycle series are not given annual trends. Missing values are not shown as zero.

Population (31 Dec)
72,128 people
2025 · +3.2 % vs 2020
Natural change (births − deaths)
318 people
2025 · −62.0 people vs 2020
Net migration (in − out)
396 people
2025 · +262.0 people vs 2020
Population density492 inv/km²2025 · Beräknat av SVERIGEFAKTA ur SCB BefolkningCKM (000007ME) och landareal (Kolada N02993)

Population & growth

Population (31 Dec)

72,128 people(2025)

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Source: SCB BefolkningCKM (000007ME) · 2002–2025 · Data status: complete / observed

Source: SCB BefolkningCKM (000007ME) · 2002–2025 · Method · Report an error

No compatible national figure and municipal ranking are available for this indicator.

Annual population change

708 people(2025)

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Source: SCB BefolkningCKM (000007ME) · 2003–2025 · Data status: complete / observed

Source: SCB BefolkningCKM (000007ME) · 2003–2025 · Method · Report an error

No compatible national figure and municipal ranking are available for this indicator.

Population change, 5 years

3.19 %(2025)

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Source: SCB BefolkningCKM (000007ME) · 2007–2025 · Data status: complete / observed

Source: SCB BefolkningCKM (000007ME) · 2007–2025 · Method · Report an error

No compatible national figure and municipal ranking are available for this indicator.

Population change, 10 years

13.9 %(2025)

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Source: SCB BefolkningCKM (000007ME) · 2012–2025 · Data status: complete / observed

Source: SCB BefolkningCKM (000007ME) · 2012–2025 · Method · Report an error

No compatible national figure and municipal ranking are available for this indicator.

Residents aged 0–19, share (%)

23.6 %(2025)

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

Source: SCB via Kolada N01994 · 2014–2025 · Observation (source value) · Method · Report an error

Mölndal: 23.6 % · 2025

Sweden: 22.4 % · difference +1.2 pp

Rank 68 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 65Eskilstuna23.7 % · +0.0 pp
  2. 66Södertälje23.7 % · +0.0 pp
  3. 67Mjölby23.7 % · +0.0 pp
  4. 68Mölndal23.6 % · 0.0 pp
  5. 69Kil23.6 % · −0.0 pp
  6. 70Växjö23.6 % · −0.1 pp
  7. 71Landskrona23.5 % · −0.2 pp

Source: SCB via Kolada N01994. Definition: Residents aged 0–19, share (%)

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Residents aged 20–64, share (%)

59.9 %(2025)

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

Source: SCB via Kolada N01961 · 2014–2025 · Observation (source value) · Method · Report an error

Mölndal: 59.9 % · 2025

Sweden: 56.5 % · difference +3.4 pp

Rank 11 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 8Umeå60.7 % · +0.8 pp
  2. 9Järfälla60.0 % · +0.1 pp
  3. 10Linköping60.0 % · +0.1 pp
  4. 11Mölndal59.9 % · 0.0 pp
  5. 12Haninge59.8 % · −0.1 pp
  6. 13Botkyrka59.6 % · −0.3 pp
  7. 14Södertälje59.4 % · −0.5 pp

Source: SCB via Kolada N01961. Definition: Residents aged 20–64, share (%)

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Residents aged 65–79, share (%)

11.5 %(2025)

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

Source: SCB via Kolada N01812 · 2014–2025 · Observation (source value) · Method · Report an error

Mölndal: 11.5 % · 2025

Sweden: 14.6 % · difference −3.1 pp

Rank 274 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 271Nacka11.9 % · +0.4 pp
  2. 272Göteborg11.7 % · +0.1 pp
  3. 273Nykvarn11.6 % · +0.0 pp
  4. 274Mölndal11.5 % · 0.0 pp
  5. 275Tyresö11.5 % · −0.1 pp
  6. 276Vallentuna11.4 % · −0.2 pp
  7. 277Upplands Väsby11.3 % · −0.3 pp

Source: SCB via Kolada N01812. Definition: Residents aged 65–79, share (%)

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Residents aged 80+, share (%)

4.92 %(2025)

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

Source: SCB via Kolada N01813 · 2014–2025 · Observation (source value) · Method · Report an error

Mölndal: 4.9 % · 2025

Sweden: 6.4 % · difference −1.5 pp

Rank 278 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 275Järfälla5.1 % · +0.2 pp
  2. 276Burlöv5.1 % · +0.2 pp
  3. 277Södertälje5.1 % · +0.1 pp
  4. 278Mölndal4.9 % · 0.0 pp
  5. 279Solna4.7 % · −0.2 pp
  6. 280Åre4.7 % · −0.2 pp
  7. 281Haninge4.6 % · −0.3 pp

Source: SCB via Kolada N01813. Definition: Residents aged 80+, share (%)

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Demographic dependency ratio

0.67 ratio(2025)

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

Source: SCB via Kolada N00927 · 2014–2025 · Observation (source value) · Method · Report an error

Mölndal: 0.67 ratio · 2025

Sweden: 0.77 ratio · difference −0.10 ratio

Rank 280 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 277Södertälje0.68 ratio · +0.01 ratio
  2. 278Botkyrka0.68 ratio · +0.01 ratio
  3. 279Haninge0.67 ratio · +0.00 ratio
  4. 280Mölndal0.67 ratio · 0.00 ratio
  5. 281Linköping0.67 ratio · −0.00 ratio
  6. 282Järfälla0.67 ratio · −0.00 ratio
  7. 283Umeå0.65 ratio · −0.02 ratio

Source: SCB via Kolada N00927. Definition: Demographic dependency ratio

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Births, deaths & natural change

Births, number

804 people(2025)

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

Source: SCB via Kolada N01804 · 2014–2025 · Observation (source value) · Method · Report an error

Mölndal: 804.0 people · 2025

Sweden: 97,491.0 people · difference −96,687 people

Rank 27 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 24Gävle886.0 people · +82.0 people
  2. 25Karlstad866.0 people · +62.0 people
  3. 26Sundbyberg822.0 people · +18.0 people
  4. 27Mölndal804.0 people · 0.0 people
  5. 28Sundsvall771.0 people · −33.0 people
  6. 29Kristianstad722.0 people · −82.0 people
  7. 30Sollentuna705.0 people · −99.0 people

Source: SCB via Kolada N01804. Definition: Births, number

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Deaths, number

486 people(2025)

Use this statistic

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

Source: SCB via Kolada N01805 · 2014–2025 · Observation (source value) · Method · Report an error

Mölndal: 486.0 people · 2025

Sweden: 92,212.0 people · difference −91,726 people

Shared rank 48 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 45Solna515.0 people · +29.0 people
  2. 46Skövde502.0 people · +16.0 people
  3. 47Trelleborg494.0 people · +8.0 people
  4. =48Mölndal486.0 people · 0.0 people
  5. =48Sandviken486.0 people · 0.0 people
  6. 50Sollentuna480.0 people · −6.0 people
  7. 51Borlänge471.0 people · −15.0 people

Source: SCB via Kolada N01805. Definition: Deaths, number

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Natural change (births − deaths)

318 people(2025)

Use this statistic

Source: Beräknat av SVERIGEFAKTA ur SCB via Kolada N01804/N01805 (Kolada:N01804+N01805) · 2014–2025 · Data status: complete / derived

Source: Beräknat av SVERIGEFAKTA ur SCB via Kolada N01804/N01805 · 2014–2025 · Method · Report an error

No compatible national figure and municipal ranking are available for this indicator.

Migration flows

In-migration to the municipality

6,031 people(2025)

Use this statistic

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

Source: SCB via Kolada N01801 · 2014–2025 · Observation (source value) · Method · Report an error

Mölndal: 6,031.0 people · 2025

Sweden: 89,434.0 people · difference −83,403 people

Rank 24 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 21Täby6,273.0 people · +242.0 people
  2. 22Karlstad6,228.0 people · +197.0 people
  3. 23Norrköping6,089.0 people · +58.0 people
  4. 24Mölndal6,031.0 people · 0.0 people
  5. 25Växjö5,698.0 people · −333.0 people
  6. 26Borås5,526.0 people · −505.0 people
  7. 27Halmstad5,161.0 people · −870.0 people

Source: SCB via Kolada N01801. Definition: In-migration to the municipality

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Out-migration from the municipality

5,635 people(2025)

Use this statistic

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

Source: SCB via Kolada N01802 · 2014–2025 · Observation (source value) · Method · Report an error

Mölndal: 5,635.0 people · 2025

Sweden: 77,483.0 people · difference −71,848 people

Rank 22 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 19Södertälje6,996.0 people · +1,361.0 people
  2. 20Umeå6,837.0 people · +1,202.0 people
  3. 21Norrköping6,296.0 people · +661.0 people
  4. 22Mölndal5,635.0 people · 0.0 people
  5. 23Täby5,570.0 people · −65.0 people
  6. 24Växjö5,349.0 people · −286.0 people
  7. 25Karlstad5,288.0 people · −347.0 people

Source: SCB via Kolada N01802. Definition: Out-migration from the municipality

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Net migration (in − out)

396 people(2025)

Use this statistic

Source: Beräknat av SVERIGEFAKTA ur SCB via Kolada N01801/N01802 (Kolada:N01801+N01802) · 2014–2025 · Data status: complete / derived

Source: Beräknat av SVERIGEFAKTA ur SCB via Kolada N01801/N01802 · 2014–2025 · Method · Report an error

No compatible national figure and municipal ranking are available for this indicator.

Net domestic migration

333 people(2025)

Use this statistic

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

Source: SCB via Kolada N01964 · 2014–2025 · Observation (source value) · Method · Report an error

Mölndal: 333.0 people · 2025

Sweden: 0.0 people · difference +333.0 people

Rank 15 of 290 municipalities with comparable data.

Nearest ranks

Raw values for 2025, ranked from highest to lowest. Equal raw values share a rank. Higher does not necessarily mean better.

  1. 12Botkyrka376.0 people · +43.0 people
  2. 13Varberg349.0 people · +16.0 people
  3. 14Umeå334.0 people · +1.0 people
  4. 15Mölndal333.0 people · 0.0 people
  5. 16Örebro322.0 people · −11.0 people
  6. 17Burlöv311.0 people · −22.0 people
  7. 18Borås308.0 people · −25.0 people

Source: SCB via Kolada N01964. Definition: Net domestic migration

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Deep dive

See population & demographics in a national context

Read chapter: Demography →