THE $10 BILLION CLUB: Meet the 11 most valuable startups in the world

There used to be a time when a $1 billion valuation was considered a massive success for tech startups.

Then that threshold rose to $5 billion.

But in recent months, these numbers almost seem routine - so we have raised the bar yet again.

Looking at recent media reports and The Wall Street Journal's "The Billion-Dollar Startup Club" list, we have created a list of tech startups that are valued at $10 billion or more.