The People have Spoken, United Kingdom will leave the EU.
Stay: 48.1%
Leave: 51.9%

Brexit is an abbreviation of "British exit" that mirrors the term Grexit. It refers to the possibility that Britain will withdraw from the European Union. The country will hold an in-out referendum on its EU membership on June 23.

Reasons why the British people wanted to leave
https://www.youtube.com/watch?v=UTMxfAkxfQ0