Nigeria is one of the most developed countries in Africa. Services is the largest sector of the economy, accounting for about 50 percent of total GDP. One of the fastest growing segments in Services are Information and Communication, which together account for about 10 percent of the total output. Agriculture, which in the past was the biggest sector, now weights around 23 percent. Crude Petroleum and Natural Gas constitute only 11 percent of total GDP, while being the main exports. Industry and Construction account for the remaining 16 percent of GDP.