Imports, percent of GDP - country data from around the world:
The average for 2015 was 48.65 percent.
The highest value was in Hong Kong: 199.27 percent and the lowest value was in Nigeria: 10.79 percent.
Below is a chart for all countries where data are available for: Imports, percent of GDP.
World bank definition: Imports of goods and services represent the value of all goods and other market services received from the rest of the world. They include the value of merchandise, freight, insurance, transport, travel, royalties, license fees, and other services, such as communication, construction, financial, information, business, personal, and government services. They exclude compensation of employees and investment income (formerly called factor services) and transfer payments.