Official Belgian data, explained

Ageing index by municipality in Belgium (2026)

This page maps Ageing index for one nationally comparable 2026 slice. Every figure below uses the same disclosed definition, unit, geography and source.

Population

What this indicator measures

Residents aged 65+ divided by residents aged 0-14 × 100.

Official Statbel measure for Ageing index.

Indicator dossier

Data passport

Selected reference period
2026
Geography
municipalities
Boundary set
Statistical sectors 2026
Measure
Ratio
Unit
per 100 young people
Comparable areas
565
Coverage
100%

Latest published slice

How to read the pattern

Median
139.3per 100 young people
Unweighted area mean
143.5per 100 young people
Minimum
54.6per 100 young people
Maximum
681.6per 100 young people

Across the valid national comparison set, the median is 139.3 per 100 young people. Values extend from 54.6 to 681.6 per 100 young people. This describes geographic variation; it is not a score of local quality.

Geography

Map of Belgium

Ageing index, 2026. Catalogue-owned colour classes are drawn on exact official boundaries; missing values remain neutral.
  1. 33.7–92.930 areas
  2. 92.9–107.748 areas
  3. 107.7–121.164 areas
  4. 121.1–137.8127 areas
  5. 137.8–681.6296 areas
Ageing index, 2026. Catalogue-owned colour classes are drawn on exact official boundaries; missing values remain neutral.

Areas

Value distribution

Value distributionHistogram of published values. The x-axis is the actual indicator value; bar height is the number of areas. The line marks the median.09218454.6–80.7: 17 areas80.7–106.8: 58 areas106.8–132.9: 165 areas132.9–159.1: 184 areas159.1–185.2: 93 areas185.2–211.3: 34 areas211.3–237.4: 6 areas237.4–263.6: 0 areas263.6–289.7: 1 area289.7–315.8: 0 areas315.8–341.9: 0 areas341.9–368.1: 1 area368.1–394.2: 1 area394.2–420.3: 2 areas420.3–446.5: 0 areas446.5–472.6: 1 area472.6–498.7: 1 area498.7–524.8: 0 areas524.8–551: 0 areas551–577.1: 0 areas577.1–603.2: 0 areas603.2–629.3: 0 areas629.3–655.5: 0 areas655.5–681.6: 1 areaMedian · 139.354.6681.6per 100 young peopleNumber of areas
Histogram of published values. The x-axis is the actual indicator value; bar height is the number of areas. The line marks the median.
ValueAreas
54.6–80.717
80.7–106.858
106.8–132.9165
132.9–159.1184
159.1–185.293
185.2–211.334
211.3–237.46
237.4–263.60
263.6–289.71
289.7–315.80
315.8–341.90
341.9–368.11
368.1–394.21
394.2–420.32
420.3–446.50
446.5–472.61
472.6–498.71
498.7–524.80
524.8–5510
551–577.10
577.1–603.20
603.2–629.30
629.3–655.50
655.5–681.61

Explore this exact slice in the atlas Download this data as CSV

municipalities

Highest and lowest values

From 565 comparable areas, the table shows a concise descriptive high-and-low sample. Equal values do not imply equal local circumstances.

Highest and lowest values
Highest1Koksijde38014681.6 per 100 young people
Highest2Nieuwpoort38016483.1 per 100 young people
Highest3Knokke-Heist31043471.9 per 100 young people
Highest4De Haan35029418.4 per 100 young people
Highest5Middelkerke35011414 per 100 young people
Highest6De Panne38008370.8 per 100 young people
Highest7Blankenberge31004355 per 100 young people
Highest8Vresse-sur-Semois91143286.5 per 100 young people
Highest9Oostende35013229.3 per 100 young people
Highest10Bredene35002227.8 per 100 young people
Lowest565Koekelberg2101154.6 per 100 young people
Lowest564Molenbeek-Saint-Jean2101255 per 100 young people
Lowest563Saint-Josse-ten-Noode2101456.3 per 100 young people
Lowest562Schaerbeek2101557.4 per 100 young people
Lowest561Anderlecht2100159.3 per 100 young people
Lowest560Léglise8403359.5 per 100 young people
Lowest559Bruxelles2100465.8 per 100 young people
Lowest558Martelange8101366.8 per 100 young people
Lowest557Vilvoorde2308871.4 per 100 young people
Lowest556Vaux-sur-Sûre8203672.6 per 100 young people

Method and limitations

Method and limitations

No missing value is imputed. Where colour classes are used, their breaks and colours come from the catalogue; source-declared suppression remains missing.

The area mean gives every published geographic area equal weight. It is not weighted by population, exposure or area size.

Reference population on 1 January.

Read the methodology

Sources, licence and provenance

Sources, licence and provenance

Sources, licence and provenance