Tuvalu is being the top country by revenue, % of GDP in the world. As of 2016, revenue, % of GDP in Tuvalu was 124.5 percent of GDP. The top 5 countries also includes Kiribati, Marshall Islands, Micronesia (Federated States of), and Iceland.
Revenue consists of taxes, social contributions, grants receivable, and other revenue. Revenue increases government's net worth, which is the difference between its assets and liabilities (GFSM 2001, paragraph 4.20). Note: Transactions that merely change the composition of the balance sheet do not change the net worth position, for example, proceeds from sales of non-financial and financial assets or incurrence of liabilities.