Toronto has come out on top as the world's most youthful city, according to an index from YouthfulCities.

Berlin and New York City came a close second and third respectively in the list, which ranks the urban hubs on how youth-friendly they are.

The YouthfulCities Index takes the top cities and rates them on 16 aspects of city life, including economic status and culture. Youth is classed from 15-29 and over 1,500 youth participants helped to compile the index from the cities across the world.

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London came 7th on the index over and second for its diversity and leads the European region in environmental sustainability.

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