Last year, Elon Musk's net worth soared by more than $150 billion in possibly the fastest bout of wealth creation in history.

The world's 2,153 billionaires have more wealth than 60 per cent of the planet's population.

Billionaires from Asia, especially in the Chinese city of Shenzhen, are now challenging the traditional dominance of Americans as technology entrepreneurs.

"The Hindujas' trading empire is spread over five continents and run by four brothers and their children .

The top 0.1 per cent of earners increased their total wealth more than all of those in the bottom 50 per cent combined, says a study

Ambani retains the richest Indian title for the sixth year running and this year he has climbed to top 15 in the Hurun global rich list for the first time.