World's 100 richest people got $241 billion richer in 2012: The richest people on the planet got even richer in 2012, adding $241 billion to their collective net worth, according to the Bloomberg Billionaires Index, a daily ranking of the world's 100 wealthiest individuals.
The aggregate net worth of the world's top 100 stood at $1.9 trillion at the market close Dec. 31, according to the index. Of the people who appeared on the final ranking of 2012, only 16 registered a net loss for the 12-month period.
