Visit Britain publish data relating to international visitors to the UK. They produce the data in two formats - individual spreadsheets for each region that are updated annually, and a single spreadsheet for all regions, containing less detail but updated quarterly. Data shows London totals for nights, visits, and spend. Data broken down by age, purpose, duration, mode and country. This data is also available from Visit Britain website,...

Local Authority level tourist spend estimates (£ millions). Indicitive borough level day visitor estimates for 2007 were derived from the LDA’s own experimental London level day visitor estimates. As such the borough level day visitor estimates should be treated with caution and the 2007 day visitor estimates are not comparable with those from previous years. They are intended only to give a best estimate of the scale of day visitor to...

Top 30 world's busiest airports by international passenger traffic and top 50 world's busiest airports by passenger traffic. Data are measured by total passengers (data from Airports Council International (ACI), defined as passengers enplaned plus passengers deplaned plus direct-transit passengers. Hartsfield-Jackson International Airport in Atlanta has been the world's busiest airport every year since 2000; with all airports combined...

UK Airport Statistics are available each month from the Civil Aviation Authority. http://www.caa.co.uk/Data-and-analysis/UK-aviation-market/Airports/Datasets/UK-airport-data/ Table shows number of passengers handled by each London airport, and the country of destination of each passenger arriving into or departing from London's airports in the whole of 2011.

Daytime population - The estimated number of people in a borough in the daytime during an average day, broken down by component sub-groups. The figures given are an average day during school term-time. No account has been made for seasonal variations, or for people who are usually in London (resident, at school or working), but are away visiting another place. Sources include the Business Register and Employment Survey (BRES) (availab...

London Borough level tourism trip estimates (thousands). The ‘top-down’ nature of the Local Area Tourism Impact (LATI) model (starting with London data) means it is best suited to disaggregate expenditure. However, tourism trips were also disaggregated for comparative purposes using the estimated proportions of spending by overseas, domestic and day visitors in the boroughs. Since the trip estimates are derived from data on trips to Lo...