A new study by the Trade Unions Congress has found in the capital, 6,500 young people aged between 18 and 24 have been out of work for more than 12 months.
Total youth unemployment has risen by 58% since the year 2000.
We've been speaking to Londoners Alex Kouam, Sophia Kichou and Claudette Shay from Centrepoint Parliament, who have struggled to find work.
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Captain Mike Green, a senior flying instructor, was piloting the two seater helicopter involved in the crash.