Some 45.2% of residents held professional roles in their most recent period working abroad, followed by 30.7% who were managers.
The top professional jobs were those in business and administration (16%) and science and engineering (13.7%).
Higher-income residents were also more exposed to overseas postings. Around 16.8% of full-time residents currently making at least S$30,000 (US$23,100) a month had previously worked overseas.
This share was at 10.6% for those earning S$15,000-19,999 monthly and around 3% for employees in the S$5,000-9,999 range.