 In 2003, the share of the budget allocated to education was 6.4% of total government expenditure; education spending as a percentage of GDP was 13.5% in the same year.Jordan had one of the highest literacy rates in world at about 97.9% in 2012, which increased to 98.01% in 2015, and is expected to reach almost 100% by 2020.The primary gross enrollment ratio has reached 100% by 2007 for both girls and boys combined.