Metro International S.A. (Metro) is a newspaper publisher based in Luxembourg. It publishes a free-of-charge newspaper Metro, issued five days a week, Monday through Friday. As of December 31, 2011, there were 71 daily Metro editions published in 150 cities, in 23 countries and in 15 languages across Europe, North and South America and Asia. The audience includes over 18 million readers, who collect the newspapers in public transport networks and commuter zones. Weekend editions are also published in chosen cities on Saturdays. The newspaper is distributed in public transport networks, offices, retail outlets, busy streets and highly populated areas like college campuses. Metro derives its revenues almost exclusively from advertising sales. * Over 18 million people read Metro each day * 60% of Metro readers are under the age of 44 * 80% of Metro readers are working or studying * 6 in 10 Metro readers are aged 18-34 years old * Metro has 71 editions in 23 countries * Metro has over 48 million readers a week * 48% of Metro readers are female * Metro is distributed at 41,325 distribution points through 3,469 hand distributors each day * Metro is published in 15 languages around the world