| Indicator | Value |
|---|---|
| ISO 3166 alpha-2 | BEISO 3166 [2024] |
| ISO 3166 alpha-3 | BELISO 3166 [2024] |
| Capital | BrusselsGeoNames [2024] |
| Continent | EuropeGeoNames [2024] |
| Common name | BelgiumCIA World Factbook [2025] · 2026 archive |
| Official name | Kingdom of BelgiumCIA World Factbook [2025] · 2026 archive |
| Local name | Belgique/Belgie/BelgienCIA World Factbook [2025] · 2026 archive |
| Etymology | the name derives from the Belgae, an ancient Celtic tribal confederation that inhabited an area between the English Channel and the west bank of the Rhine in the first centuries B.C.CIA World Factbook [2025] · 2026 archive |
| Government type | federal parliamentary democracy under a constitutional monarchyCIA World Factbook [2025] · 2026 archive |
| Independence | 4 October 1830 (a provisional government declared independence from the Netherlands); 21 July 1831 (King LEOPOLD I ascended to the throne)CIA World Factbook [2025] · 2026 archive |
| National holiday | Belgian National Day (ascension to the throne of King LEOPOLD I), 21 July (1831)CIA World Factbook [2025] · 2026 archive |
| Head of state | PHILIPPE (King)CIA World Leaders [2025] |
| Currency code (ISO 4217) | EURISO 4217 Currency Codes [2026] |
| Currency | EuroISO 4217 Currency Codes [2026] |
| Administrative subdivisions | 3ISO 3166-2 Subdivisions [2026] |
| Subdivision names |
|
| Historical overview | No authoritative open source found |
| National symbols | golden rampant lionCIA World Factbook [2025] · 2026 archive |
| National anthem | title: "La Brabançonne" (The Song of Brabant); lyrics/music: Louis-Alexandre DECHET [French] and Victor CEULEMANS [Dutch]/Francois VAN CAMPENHOUT; history: adopted 1830; according to legend Louis-Alexandre DECHET, an actor at the theater where the revolution against the Netherlands began, wrote the lyrics with a group of young people in a Brussels cafeCIA World Factbook [2025] · 2026 archive |
| National colors | red, black, yellowCIA World Factbook [2025] · 2026 archive |
| Citizenship rules | citizenship by birth: no; citizenship by descent only: at least one parent must be a citizen of Belgium; dual citizenship recognized: yes; residency requirement for naturalization: 5 yearsCIA World Factbook [2025] · 2026 archive |
the name derives from the Belgae, an ancient Celtic tribal confederation that inhabited an area between the English Channel and the west bank of the Rhine in the first centuries B.C.
description: three equal vertical bands of black (left side), yellow, and red history: the vertical design was based on the flag of France; the colors are from the arms of the duchy of Brabant (yellow lion with red claws and tongue on a black field)
Source: CIA World Factbook (Historical Archive — final edition) · CC0 · Edition 2026-05