The economy of Iran is a mixed economy with a large part going to the public sector. It is the world's eighteenth largest economy when it comes to purchasing power parity. About 60 percent of it is the centrally planned economy. A large part of the economy is formed by oil and gas production and with about 10 percent of the world's confirmed oil reserves and 15 percent of the gas reserves, Iran is largely regarded as an energy superpower. Iran’s economy is categorized by agriculture and services, hydrocarbon sector, and a clear state presence in manufacturing and financial services.br Freedom scorebr In 2018, Iran’s economic freedom score has been 50.9, and it has been ranked at 156 as the freest economy. Its complete score has improved by 0.4 points, with nice improvements in financial freedom, labor freedom, and government reliability compensating lower scores for the fiscal state, government expenditure, and judicial effectiveness indicators. Iran has been placed on 13th position among 14 countries of the Middle East and North Africa region, and its overall score is lower than the regional and world average scores.