Five European states maintain formal neutrality—non-participation in military alliances, non-belligerence in conflicts—though degrees and interpretations vary.
| Country | Basis | Key Features | Current Context |
|---|---|---|---|
| Austria | 1955 State Treaty + Constitution | No NATO, no foreign bases, conscript army for defence only. | EU member; participates in EU battlegroups (non-combat), PfP. |
| Finland | Post-WWII policy (Paasikivi–Kekkonen line) | Not in NATO (until 2023!); strong defence, conscription. | Joined NATO April 2023 – neutrality ended de facto. |
| Ireland | Constitution (Art. 29.4.9°), 1930s policy | No military alliances; UN peacekeeping only; triple lock (Gov, Dáil, UN) for deployments. | EU member; participates in PESCO (non-binding), but not NATO. |
| Malta | 1987 Constitution (Art. 1.3) | No alliances; small AFM for SAR, maritime security. | EU member; participates in EU naval ops (e.g., Atalanta). |
| Switzerland | 1815 Congress of Vienna; 1848/1999 Constitution | Armed neutrality; no UN membership until 2002; no EU/NATO. | Gold standard; mediates conflicts; hosts UN Geneva. |
Neutrality remains a sovereign choice—adaptable, but rooted in history and identity.