Sao Tome and Principe ranks #209 of 242 on the Composite Power Index (0.1/100), scored on military spending, active personnel, nuclear arsenal, economic size and logistics. Its Instability Index is 11/100 (#186 most fragile). Every figure below carries its source and year. Data read 2026-08-04.
CINC is a composite index (already contains military spending, personnel, energy & population) — shown for reference; it is not added into the Composite Power Index to avoid double-counting. Each figure carries its own source year; vintages can differ.
COW alliance ties — includes historical pacts; defense first.
COW Dyadic MID, 1816–2014 — historical register, not live rivalries. Count = militarized disputes; year = most recent; ● = peak intensity.
No militarized disputes recorded (COW MID).
Conflict forecast (ViEWS, 2029-04-01): 0% risk
Displacement (UNHCR): 8 refugees originated · 0 IDPs ·
Neighbours and leading powers — each links to its own sourced dossier.