foreign workers
... that an estimated 90 per cent of Saudi Arabia's workforce is made up of foreign workers?
... that an estimated 90 per cent of Saudi Arabia's workforce is made up of <b id="mwB3U"><a href="./Foreign_workers_in_Saudi_Arabia" id="mwB3Y" rel="mw:WikiLink" title="Foreign workers in Saudi Arabia">foreign workers</a></b>?