Ranking
The smallest municipalities in Belgium by population
The municipalities of Belgium with the fewest inhabitants on 1 January 2026. Many lie in the Ardennes or along the language border, such as Herstappe and Mesen.
| # | Municipality | Province | Population |
|---|---|---|---|
| 1 | Herstappe | Limburg | 78 |
| 2 | Mesen | West Flanders | 1,068 |
| 3 | Daverdisse | Luxembourg | 1,397 |
| 4 | Herbeumont | Luxembourg | 1,731 |
| 5 | Horebeke | East Flanders | 2,020 |
| 6 | Spiere-Helkijn | West Flanders | 2,051 |
| 7 | Rouvroy | Luxembourg | 2,097 |
| 8 | Martelange | Luxembourg | 2,142 |
| 9 | Bever | Flemish Brabant | 2,279 |
| 10 | Vresse-sur-Semois | Namur | 2,466 |
| 11 | Tellin | Luxembourg | 2,519 |
| 12 | Fauvillers | Luxembourg | 2,536 |
| 13 | Trois-Ponts | Liège | 2,540 |
| 14 | Zuienkerke | West Flanders | 2,641 |
| 15 | Sainte-Ode | Luxembourg | 2,706 |
| 16 | Rendeux | Luxembourg | 2,743 |
| 17 | Tinlot | Liège | 2,813 |
| 18 | Meix-devant-Virton | Luxembourg | 2,824 |
| 19 | Ouffet | Liège | 2,844 |
| 20 | Tenneville | Luxembourg | 2,872 |
| 21 | Doische | Namur | 2,947 |
| 22 | Baarle-Hertog | Antwerp | 3,103 |
| 23 | Donceel | Liège | 3,127 |
| 24 | Lo-Reninge | West Flanders | 3,138 |
| 25 | Wasseiges | Liège | 3,197 |
| 26 | Wellin | Luxembourg | 3,241 |
| 27 | Stoumont | Liège | 3,243 |
| 28 | Onhaye | Namur | 3,262 |
| 29 | Burdinne | Liège | 3,300 |
| 30 | Érezée | Luxembourg | 3,368 |
| 31 | Fexhe-le-Haut-Clocher | Liège | 3,408 |
| 32 | Lincent | Liège | 3,419 |
| 33 | Berloz | Liège | 3,426 |
| 34 | Flobecq | Hainaut | 3,453 |
| 35 | Bièvre | Namur | 3,482 |
| 36 | Geer | Liège | 3,578 |
| 37 | Vleteren | West Flanders | 3,581 |
| 38 | Crisnée | Liège | 3,595 |
| 39 | Lierneux | Liège | 3,646 |
| 40 | Hamoir | Liège | 3,778 |
| 41 | Manhay | Luxembourg | 3,778 |
| 42 | Saint-Léger | Luxembourg | 3,806 |
| 43 | Mont-de-l'Enclus | Hainaut | 3,839 |
| 44 | Brugelette | Hainaut | 3,889 |
| 45 | Hélécine | Walloon Brabant | 3,926 |
| 46 | Burg-Reuland | Liège | 3,943 |
| 47 | Froidchapelle | Hainaut | 3,999 |
| 48 | La Roche-en-Ardenne | Luxembourg | 4,055 |
| 49 | Oreye | Liège | 4,091 |
| 50 | Anthisnes | Liège | 4,163 |