United Kingdom is located in Europe (Northern Europe). It has an estimated population of 68,000,000, with a nominal GDP of roughly $3,600 billion (about $52,941 per capita). Its armed forces field an estimated 185,000 active-duty personnel, backed by roughly 80,000 reservists, ranking #28 of 174 countries in this dataset by active personnel. Estimated annual defense spending is around $75B, roughly 2.1% of GDP. Its inventory includes an estimated 630 military aircraft, 220 tanks, 60 naval vessels. United Kingdom's air fleet is assessed as advanced and its armored fleet as advanced in this dataset's modernity model. United Kingdom has a advanced-tier documented drone/UAV program. United Kingdom is a declared or estimated nuclear weapons state, with an estimated 225 warheads. Overall, United Kingdom ranks #6 of 145 in the military strength index referenced by this dataset.