How much of the world did the british empire control?

The British empire was the biggest the world had ever seen,it spanned the whole globe. Europe,northern America,India and Indian empire,Iraq,Kuwait,New Zealand,Africa,Sudan,Kenya,uganda,Sierra Leone,Nigeria, the list goes on and on.... the map is here for you to see, the map is marked in red where the British ruled. enjoy! http://worldroundup.files.wordpress.com/2009/07/british_empire_1920s.png