- Jackie Coogan
The youngest person ever to accumulate a million dollars was the American child film actor Jackie Coogan (1914-84) born in Los Angeles, California, USA.  In 1923-24 he was earning $22,000 (£;11,936) per week and retained approximately 60% of his films' profits. At the age of 13, he was a millionaire in his own right.  £;11936 in the year 1923 has the same purchase power as £;428,478.78 in the year 2002.  $22,000 in the year 1923 has the same purchase power as $232,035.73 in the year 2002.