This is the 2013 edition of Languages for the Future. Read the 2017 edition.
The 2013 report identifies Spanish, Arabic, French, Mandarin Chinese, German, Portuguese, Italian, Russian, Turkish and Japanese as the languages most vital to the UK over the next 20 years. They were chosen based on economic, geopolitical, cultural and educational factors including the needs of UK businesses, the UK’s overseas trade targets, diplomatic and security priorities, and prevalence on the internet.