4 November 2018
Political power is a slippery thing.
Even in an absolute monarchy, it can get away from you with one wrong move. Just ask Mohammed Bin Salman.
Last time we ran this survey in March, the crown prince of Saudi Arabia was strengthening his grip on the kingdom after pushing aside royal rivals. Analysts saw him potentially remaining in power for decades.
To read the article titled "How long will world leaders be in power? Here's a reality check" click here