Tanzania is 31 times larger than Lesotho.
Area: 30,355 km2 World Factbook
Population: 1,942,008 (July 2014) World Factbook
Lesotho, officially the Kingdom of Lesotho, is a landlocked country completely surrounded by South Africa. It is just over 30,000 km² in size and has a population slightly over two million. Its capital and largest city is Maseru. Lesotho is a member of the Commonwealth of Nations. Wikipedia
Area: 947,300 km2 World Factbook
Population: 49,639,138 (July 2014) World Factbook
Tanzania, officially the United Republic of Tanzania, is a country in East Africa in the African Great Lakes region. It is bordered by Kenya and Uganda to the north; Rwanda, Burundi and the Democratic Republic of the Congo to the west; and Zambia, Malawi and Mozambique to the south. Wikipedia