Oceania / TON
Tonga
Tonga ranks #186 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 18.4/100 (#136 most fragile). Every figure below carries its source and year. Data read 2026-08-04.
What drives the instability score
Forced displacement
44/100 · weight 25%
UNHCR
Forecast conflict risk
0/100 · weight 35%
ViEWS
Capability and economy · click a metric to compare
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.
Capability profile
Trajectory
GDP (USD)
Arms imports (SIPRI, transfers/yr)
Energy
Strategic Relationships
Signals
Airports
3
Ports
3
Satellites
0
Subsea cables
3
News items
0
Conflict forecast (ViEWS, 2029-04-01): 0% risk
Arms imports (SIPRI Arms Transfers, 2020): 1 transfers
Displacement (UNHCR): 65 refugees originated · 0 IDPs ·
Fiji
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United States
China
Russia