In the Borough of Hertfordshire, Watford is just 30km northwest of London, and home to 90,700 residents. The population here is particularly productive in comparison to most of the UK, and the Office of Labour Statistics lists more than 82% as economically active (while the national average is only about 75%). As one of the most densely populated boroughs in the UK, Watford's public sector supports more than one-third of the local workforce. Education, healthcare, and public administration supply about 30,000 jobs in the region, and 21% of employees here work in professional occupations. A large proportion of Watford's highly trained workforce (36% with NVQ4+) commutes to nearby London for work.
With the majority of positions based in the Harlequin Shopping Centre, the retail, hotel, and distribution sector staffs 31% of all workers here. The construction industry, led by Balfour Beatty, is also relatively large in the area. Other top employers in Watford include JD Wetherspoon, the Camelot Group, Taylor Woodrow Construction, and Costco. As the Leavesden Studios here are the largest indoor film studios in Europe, the media industry also supports many local jobs, and recruitment agencies frequently list opportunities in the sector. As of 2012, Watford enjoys a low 2.8% unemployment (and a weekly median income of £638.80 (while the national average is just £508).