These millionaires and billionaires worked their way to the top.
Here's the top 10.
If you think America's wealthy don't know what it's like for the average person, think again.
Here's 36 luxurious ways to spend your 2015 bonus (if you're lucky enough to get a big enough one).
The wealthiest women in tech.
Alisher Usmanov is no longer Russia's wealthiest individual after losing $4.5 billion of his fortune last year, according to Wealth-X.
The richest man in China is unhappy.
The world’s 400 wealthiest people dropped $26.2 billion from their collective net worth last week as stocks slumped amid concern global growth is slowing.
Masayoshi Son, the man behind Japan's leading internet venture Softbank, is the country's wealthiest individual with a net worth of $19 billion, according to Forbes.
The richest people in the world are now worth a combined $6.4 trillion, according to Forbes. That record breaking number is up from $5.4 trillion last year.