The U.S. median income is $50,233 USD. The country with the highest gross national income per capita is Luxembourg: $63,978 USD; the U.S. gross national income per capita is $47,320 USD. Three billion people in the world live on less than $2 USD per day.
Hitmakers Exclusive: 15 Artists Who Have Written Popular SongsâNe-Yo, Frank Ocean, Keri Hilson And More! Music lovers arenât always aware that their favorite artists have written hit records for other singers. From Frank Ocean to Ne-Yo and Keri Hilson many known entertainers were great songwriters before they hit the stage. Artists like BeyoncÃ©, Jay-Z, Kanye West and Britney Spears have benefited from their talent with hit songs like âIrreplaceableâ and âGimme Moreâ.
Gabriele Susanne Kerner (born 24 March 1960), better known by her stage name Nena, is a German singer-songwriter, actress, and comedienne who rose to international fame in 1983 with the New German Wave song  99 Luftballons . In 1984, she re-recorded this song in English as 99 Red Balloons.