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SVERIGEFAKTA

Population & demographics in Lerum Municipality

Key facts

  • Population (31 Dec) in Lerum increased from 40,181 people (2015) to 43,752 people (2025).

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

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

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

Short answer: Lerum in figures

  • Population (31 Dec): 43,752 people (2025). Change since 2020: +1.7 % (relative change).

    Source: SCB BefolkningCKM (000007ME)

  • Natural change (births − deaths): 106 people (2025). Change since 2020: −4.0 people.

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

  • Net migration (in − out): 75.0 people (2025). Change since 2020: −267.0 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)
43,752 people
2025 · +1.7 % vs 2020
Natural change (births − deaths)
106 people
2025 · −4.0 people vs 2020
Net migration (in − out)
75.0 people
2025 · −267.0 people vs 2020
Population density168 inv/km²2025 · Beräknat av SVERIGEFAKTA ur SCB BefolkningCKM (000007ME) och landareal (Kolada N02993)

Population & growth

Population (31 Dec)

43,752 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

182 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

1.70 %(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

8.89 %(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 (%)

28.1 %(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

Lerum: 28.1 % · 2025

Sweden: 22.4 % · difference +5.7 pp

Rank 6 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. 3Staffanstorp28.5 % · +0.3 pp
  2. 4Ekerö28.1 % · +0.0 pp
  3. 5Knivsta28.1 % · +0.0 pp
  4. 6Lerum28.1 % · 0.0 pp
  5. 7Lomma27.7 % · −0.5 pp
  6. 8Hammarö27.6 % · −0.5 pp
  7. 9Salem27.6 % · −0.6 pp

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

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Residents aged 20–64, share (%)

53.4 %(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

Lerum: 53.4 % · 2025

Sweden: 56.5 % · difference −3.1 pp

Rank 97 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. 94Karlskoga53.5 % · +0.1 pp
  2. 95Bollebygd53.4 % · +0.0 pp
  3. 96Vårgårda53.4 % · +0.0 pp
  4. 97Lerum53.4 % · 0.0 pp
  5. 98Svedala53.3 % · −0.1 pp
  6. 99Kungsbacka53.2 % · −0.2 pp
  7. 100Lidköping53.2 % · −0.2 pp

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

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Residents aged 65–79, share (%)

12.1 %(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

Lerum: 12.1 % · 2025

Sweden: 14.6 % · difference −2.5 pp

Rank 266 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. 263Uppsala12.2 % · +0.1 pp
  2. 264Stockholm12.1 % · +0.1 pp
  3. 265Härryda12.1 % · +0.0 pp
  4. 266Lerum12.1 % · 0.0 pp
  5. 267Lund12.1 % · −0.0 pp
  6. 268Ale12.0 % · −0.1 pp
  7. 269Burlöv12.0 % · −0.1 pp

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

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Residents aged 80+, share (%)

6.38 %(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

Lerum: 6.4 % · 2025

Sweden: 6.4 % · difference −0.1 pp

Rank 236 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. 233Västerås6.4 % · +0.1 pp
  2. 234Eskilstuna6.4 % · +0.0 pp
  3. 235Borås6.4 % · +0.0 pp
  4. 236Lerum6.4 % · 0.0 pp
  5. 237Kalmar6.4 % · −0.0 pp
  6. 238Jönköping6.3 % · −0.0 pp
  7. 239Landskrona6.3 % · −0.1 pp

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

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Demographic dependency ratio

0.87 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

Lerum: 0.87 ratio · 2025

Sweden: 0.77 ratio · difference +0.10 ratio

Rank 194 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. 191Lidköping0.88 ratio · +0.01 ratio
  2. 192Kungsbacka0.88 ratio · +0.01 ratio
  3. 193Svedala0.88 ratio · +0.00 ratio
  4. 194Lerum0.87 ratio · 0.00 ratio
  5. 195Bollebygd0.87 ratio · −0.00 ratio
  6. 196Vårgårda0.87 ratio · −0.00 ratio
  7. 197Karlskoga0.87 ratio · −0.00 ratio

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

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Births, deaths & natural change

Births, number

412 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

Lerum: 412.0 people · 2025

Sweden: 97,491.0 people · difference −97,079 people

Rank 59 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. 56Hässleholm420.0 people · +8.0 people
  2. 57Falkenberg415.0 people · +3.0 people
  3. 58Österåker414.0 people · +2.0 people
  4. 59Lerum412.0 people · 0.0 people
  5. 60Värmdö408.0 people · −4.0 people
  6. 61Upplands-Bro395.0 people · −17.0 people
  7. 62Lidingö384.0 people · −28.0 people

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

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Deaths, number

306 people(2025)

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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

Lerum: 306.0 people · 2025

Sweden: 92,212.0 people · difference −91,906 people

Rank 87 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. 84Mariestad313.0 people · +7.0 people
  2. 85Oskarshamn312.0 people · +6.0 people
  3. 86Vetlanda309.0 people · +3.0 people
  4. 87Lerum306.0 people · 0.0 people
  5. 88Laholm303.0 people · −3.0 people
  6. 89Avesta300.0 people · −6.0 people
  7. =90Kiruna297.0 people · −9.0 people

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

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Natural change (births − deaths)

106 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

2,135 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

Lerum: 2,135.0 people · 2025

Sweden: 89,434.0 people · difference −87,299 people

Rank 67 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. 64Ängelholm2,250.0 people · +115.0 people
  2. 65Strängnäs2,176.0 people · +41.0 people
  3. 66Burlöv2,154.0 people · +19.0 people
  4. 67Lerum2,135.0 people · 0.0 people
  5. 68Knivsta2,088.0 people · −47.0 people
  6. 69Boden2,070.0 people · −65.0 people
  7. 70Vänersborg2,037.0 people · −98.0 people

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

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Out-migration from the municipality

2,060 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

Lerum: 2,060.0 people · 2025

Sweden: 77,483.0 people · difference −75,423 people

Rank 66 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. 63Vallentuna2,203.0 people · +143.0 people
  2. 64Ängelholm2,134.0 people · +74.0 people
  3. 65Strängnäs2,089.0 people · +29.0 people
  4. 66Lerum2,060.0 people · 0.0 people
  5. 67Vänersborg1,919.0 people · −141.0 people
  6. 68Vellinge1,917.0 people · −143.0 people
  7. 69Burlöv1,867.0 people · −193.0 people

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

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Net migration (in − out)

75.0 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

41.0 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

Lerum: 41.0 people · 2025

Sweden: 0.0 people · difference +41.0 people

Shared rank 80 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. =78Hörby42.0 people · +1.0 people
  2. =78Nordanstig42.0 people · +1.0 people
  3. =80Karlskoga41.0 people · 0.0 people
  4. =80Lerum41.0 people · 0.0 people
  5. =82Bromölla40.0 people · −1.0 people
  6. =82Åstorp40.0 people · −1.0 people
  7. =84Gävle39.0 people · −2.0 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 →