Migration and socioeconomic change brings new evidence to debates on urban regeneration in Britain: are we seeing urban renaissance, or is there city flight? This study examines 27 of the largest cities and city regions to find out whether they attract the talented people that they need to prosper. By examining the migration data of the 2001 Census of population, Britain's most and least successful cities are identified. There is also a look at more local population movements within the city regions of London, Birmingham and Bristol. Four key findings stand out: cities losing population...