Population: 65 million1 Age structure 0-14 years 15-24 years 25-54 years 55-64 years 65+ years 2 17.3% 12.6% 41% 11.5% 17.5% 49% of male and 46% of female Facebook users are aged between 18-34 3 UNITED KINGDOM TOP 5 CITIES by population 4 London | Manchester | Birmingham | Leeds-Bradford | Glasgow 5 Official language: English 97% Major religion: Christianity 6 6 GDP PER CAPITA PPP 2017 (projected) GDP PER CAPITA PPP 2020 (projected) USD 37,959 USD 38,564