Forces, side by side.

Full-time active military personnel; exclude reserves and paramilitary unless explicitly identified.

Active-duty military personnel, including paramilitary forces whose training, organisation, equipment and control allow them to support or replace regular forces. This is not an active-regular-only count.

In-service fixed-wing combat aircraft; exclude stored, retired and ordered aircraft. In service does not establish readiness.

Annual military expenditure in current US dollars. State fiscal year, coverage and conversion basis in notes.

Annual nominal GDP in current US dollars, not purchasing-power parity.

Total resident population; retain the source's reference year.

Reported reserve personnel, with mobilisation and training definitions stated in notes.

Commissioned submarines; exclude vessels on order and decommissioned vessels.

In-service dedicated fixed-wing military transport aircraft; exclude trainers and orders.

In-service main battle tanks; exclude storage and orders.

Commissioned cruisers, destroyers and frigates. Exclude patrol craft and support vessels.

Warheads in the military stockpile, deployed or in reserve; exclude retired warheads awaiting dismantlement. Independent estimates, labelled as such.