Number of tourists in London per year: 65 million.

Most popular tourist attraction: British Museum, Great Russell St, WC1. (071 636 1555)

Most expensive tourist attractions: Buckingham Palace,

The Mall, SW1A (pounds 8.00 per adult). Open 7 Aug-2 Oct.

Madame Tussard's, Marylebone Rd, NW1. (071-736 3233) (pounds 7.95 per adult).

Tower of London, Tower Hill, EC3 (pounds 7.95 per adult). (071-709 0765)

Cheapest tourist attractions: Museum of Fulham Palace, Bishops Ave, SW6 (pounds 0.50 per adult). (071 736 3233) Wimbledon Windmill Museum, Wimbledon Common, 5NQ (pounds 0.50 per adult).

Tourist expediture per annum (last available figures): pounds 4,400 million.