Kazakhstan is 27% larger than Saudi Arabia.
Area: 2,724,900 km2 World Factbook
Population: 17,948,816 (July 2014) World Factbook
Kazakhstan, officially the Republic of Kazakhstan, is a contiguous transcontinental country in Central Asia, with its smaller part west of the Ural River in Europe. Wikipedia
Area: 2,149,690 km2 World Factbook
Population: 27,345,986 (July 2014) World Factbook
Saudi Arabia, officially known as the Kingdom of Saudi Arabia, is the largest Arab state in Western Asia by land area and the second-largest in the Arab world after Algeria. Wikipedia