Question: what is the population of greater london 2017
Answer: 9 km ) Metro 3,236 sq mi ( 8,382 km ) Elevation 36 ft ( 11 m ) Population ( 2017 ) Greater London 8,825,000 Density 14,500 / sq mi ( 5,590 / km ) Urban 9,787,426 Metro 14,040,163 Demonym ( s ) Londoner GVA ( 2016 ) Total £ 396 billion ( US $ 531 billion ) Per capita £ 45,046 ( US $ 60,394 ) Time zone Greenwich Mean Time ( UTC ) Summer ( DST ) British Summer Time ( UTC + 1 ) Postcode areas 22 areas ( show ) E , EC , N , NW , SE , SW , W , WC , BR , CR , DA , EN , HA , IG , KT , RM , SM , TW , UB , WD ( CM , TN ; partially ) Area code ( s ) 9 area codes ( show ) 020 , 01322 , 01689 , 01708 , 01737 , 01895 , 01923 ,