It was only six years ago that venture capitalist Aileen Lee coined the term "unicorn" to describe any privately-held startup worth $1 billion or more.

At the time, Visual Capitalist's Jeff Desjardins explains, such valuations were so rare that they deserved a special name – but since then, it's fair to say that the landscape has shifted dramatically. The startup boom intensified, and capital flowed into private companies at an unprecedented pace.

In recent times, unicorns have multiplied more like rabbits, and investors have propped up the combined value of the world's 326 unicorns to the tune of $1.1 trillion.

Breaking down the World's 326 Unicorns

Today's chart uses data from the Unicorn Tracker created by CB Insights, and it breaks down the unicorn landscape by sector, valuation, and country.