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SVERIGEFAKTA

Population & demographics in Mjölby Municipality

Key facts

  • Population (31 Dec) in Mjölby increased from 26,602 people (2015) to 28,823 people (2025).

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

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

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

Short answer: Mjölby in figures

  • Population (31 Dec): 28,823 people (2025). Change since 2020: +3.1 % (relative change).

    Source: SCB BefolkningCKM (000007ME)

  • Natural change (births − deaths): 16.0 people (2025). Change since 2020: −6.0 people.

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

  • Net migration (in − out): 113 people (2025). Change since 2020: −67.0 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)
28,823 people
2025 · +3.1 % vs 2020
Natural change (births − deaths)
16.0 people
2025 · −6.0 people vs 2020
Net migration (in − out)
113 people
2025 · −67.0 people vs 2020
Population density52.5 inv/km²2025 · Beräknat av SVERIGEFAKTA ur SCB BefolkningCKM (000007ME) och landareal (Kolada N02993)

Population & growth

Population (31 Dec)

28,823 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

128 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

3.09 %(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

8.35 %(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 (%)

23.7 %(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

Mjölby: 23.7 % · 2025

Sweden: 22.4 % · difference +1.2 pp

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. 64Lilla Edet23.7 % · +0.1 pp
  2. 65Eskilstuna23.7 % · +0.0 pp
  3. 66Södertälje23.7 % · +0.0 pp
  4. 67Mjölby23.7 % · 0.0 pp
  5. 68Mölndal23.6 % · −0.0 pp
  6. 69Kil23.6 % · −0.0 pp
  7. 70Växjö23.6 % · −0.1 pp

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

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Residents aged 20–64, share (%)

54.3 %(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

Mjölby: 54.3 % · 2025

Sweden: 56.5 % · difference −2.2 pp

Rank 71 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. 68Nynäshamn54.5 % · +0.2 pp
  2. 69Stenungsund54.4 % · +0.2 pp
  3. 70Boden54.3 % · +0.0 pp
  4. 71Mjölby54.3 % · 0.0 pp
  5. 72Kävlinge54.2 % · −0.1 pp
  6. 73Gislaved54.2 % · −0.1 pp
  7. 74Skara54.2 % · −0.1 pp

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

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Residents aged 65–79, share (%)

15.0 %(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

Mjölby: 15.0 % · 2025

Sweden: 14.6 % · difference +0.4 pp

Rank 221 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. 218Vännäs15.1 % · +0.0 pp
  2. 219Kiruna15.1 % · +0.0 pp
  3. 220Luleå15.1 % · +0.0 pp
  4. 221Mjölby15.0 % · 0.0 pp
  5. 222Gävle15.0 % · −0.1 pp
  6. 223Enköping14.7 % · −0.3 pp
  7. 224Skurup14.7 % · −0.3 pp

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

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Residents aged 80+, share (%)

7.03 %(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

Mjölby: 7.0 % · 2025

Sweden: 6.4 % · difference +0.6 pp

Rank 201 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. 198Kungsbacka7.1 % · +0.1 pp
  2. 199Skellefteå7.1 % · +0.1 pp
  3. 200Värnamo7.1 % · +0.0 pp
  4. 201Mjölby7.0 % · 0.0 pp
  5. 202Uddevalla7.0 % · −0.0 pp
  6. 203Nynäshamn7.0 % · −0.0 pp
  7. 204Täby7.0 % · −0.0 pp

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

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Demographic dependency ratio

0.84 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

Mjölby: 0.84 ratio · 2025

Sweden: 0.77 ratio · difference +0.07 ratio

Rank 220 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. 217Skara0.85 ratio · +0.00 ratio
  2. 218Gislaved0.85 ratio · +0.00 ratio
  3. 219Kävlinge0.84 ratio · +0.00 ratio
  4. 220Mjölby0.84 ratio · 0.00 ratio
  5. 221Boden0.84 ratio · −0.00 ratio
  6. 222Stenungsund0.84 ratio · −0.01 ratio
  7. 223Nynäshamn0.84 ratio · −0.01 ratio

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

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Births, deaths & natural change

Births, number

272 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

Mjölby: 272.0 people · 2025

Sweden: 97,491.0 people · difference −97,219 people

Rank 79 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. 76Vallentuna288.0 people · +16.0 people
  2. 77Ale279.0 people · +7.0 people
  3. 78Nässjö275.0 people · +3.0 people
  4. 79Mjölby272.0 people · 0.0 people
  5. 80Kävlinge267.0 people · −5.0 people
  6. 81Katrineholm264.0 people · −8.0 people
  7. 82Vellinge262.0 people · −10.0 people

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

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Deaths, number

256 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

Mjölby: 256.0 people · 2025

Sweden: 92,212.0 people · difference −91,956 people

Rank 108 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. =105Kävlinge264.0 people · +8.0 people
  2. =105Partille264.0 people · +8.0 people
  3. 107Nybro261.0 people · +5.0 people
  4. 108Mjölby256.0 people · 0.0 people
  5. 109Lindesberg254.0 people · −2.0 people
  6. 110Danderyd251.0 people · −5.0 people
  7. 111Simrishamn249.0 people · −7.0 people

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

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Natural change (births − deaths)

16.0 people(2025)

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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

1,383 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

Mjölby: 1,383.0 people · 2025

Sweden: 89,434.0 people · difference −88,051 people

Shared rank 96 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. 94Stenungsund1,406.0 people · +23.0 people
  2. 95Piteå1,405.0 people · +22.0 people
  3. =96Lomma1,383.0 people · 0.0 people
  4. =96Mjölby1,383.0 people · 0.0 people
  5. =96Svedala1,383.0 people · 0.0 people
  6. 99Ronneby1,349.0 people · −34.0 people
  7. 100Västervik1,334.0 people · −49.0 people

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

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Out-migration from the municipality

1,270 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

Mjölby: 1,270.0 people · 2025

Sweden: 77,483.0 people · difference −76,213 people

Shared rank 103 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. 101Ronneby1,278.0 people · +8.0 people
  2. 102Laholm1,271.0 people · +1.0 people
  3. =103Ludvika1,270.0 people · 0.0 people
  4. =103Mjölby1,270.0 people · 0.0 people
  5. 105Karlshamn1,251.0 people · −19.0 people
  6. =106Karlskoga1,232.0 people · −38.0 people
  7. =106Västervik1,232.0 people · −38.0 people

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

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Net migration (in − out)

113 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

101 people(2025)

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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

Mjölby: 101.0 people · 2025

Sweden: 0.0 people · difference +101.0 people

Shared rank 45 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. =42Strängnäs112.0 people · +11.0 people
  2. 44Sjöbo105.0 people · +4.0 people
  3. =45Malmö101.0 people · 0.0 people
  4. =45Mjölby101.0 people · 0.0 people
  5. 47Mörbylånga99.0 people · −2.0 people
  6. 48Öckerö98.0 people · −3.0 people
  7. 49Strömstad95.0 people · −6.0 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 →