The ten smallest countries in the world are Malta, Maldives, Saint Kitts and Nevis, Marshall Islands, Liechtenstein, San Marino, Tuvalu, Nauru, Monaco and Vatican.

Tuvalu, located in the South Pacific Ocean, consists of nine atolls with a land area of about 26 square kilometers. It is the second smallest island country in the world after Nauru and the fourth smallest country in the world.

Income mainly includes:

Tuvalu Trust Fund, remittances, sale of fishing licenses and Internet telecommunication agreements. Since 199, the income of "Tuvalu Trust Fund" has contributed about 15% to the government budget every year. As of September 212, the market value of the fund was about NZ $127.3 million. The main trading partners are New Zealand and Australia.

Tuvalu is short of resources, barren land, backward agriculture and almost no industry. It is listed as one of the least developed countries by the United Nations. Family is the most basic unit of production and life. Collective labor, mainly engaged in fishing and planting coconuts, bananas and taro, and the items obtained are divided equally within the family. Trading is mainly barter.