The Airports Commission has published data containing annual passenger forecasts for UK and select foreign airports.
This spreadsheet contains annual passenger forecasts from 2011 to 2050, rounded to the nearest million, for 30 modelled UK airports and 4 foreign hubs. These forecasts were produced using a version of the DfT aviation model and underpin the assessment of need, described in detail in chapter 4 of The Airports Commission Interim report (December 17, 2013). The technical appendix of the ‘Interim report’ provides detail of the methodology, in particular the model updates and Commission’s input assumptions. 4 scenarios are provided: