SIPRI's estimation of Oman's military and security expenditure as a percentage of GDP in 2019 was 8.8 percent, making it the world's highest rate in that year, higher than Saudi Arabia (8 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.