SIPRI's estimation of Oman's military and security expenditure as a percentage of GDP in 2020 was 11 percent, making it the world's highest rate in that year, higher than Saudi Arabia (8.4 percent). Oman's on-average military spending as a percentage of GDP between 2016 and 2018 was around 10 percent, while the world's average during the same period was 2.2 percent.