Question

what percentage of the earth was under Britain rule by 1900?

Answer 1

the British Empire held sway over 412 million people, 23% of the world population at the time,[2] and by 1920, it covered 35,500,000 km2 (13,700,000 sq mi),[3] 24% of the Earth's total land area.[4] As a result, its political, legal, linguistic and cultural legacy is widespread. At the peak of its power, the phrase "the empire on which the sun never sets" was often used to describe the British Empire, because its expanse around the globe meant that the sun was always shining on at least one of its territories.[5]

Answer 2

24% world's area covered british empire