Write a question about the following article: According to the United Kingdom Census 2001, the workplace population of 90,656 is divided into 60,118 people who live in Peterborough and 30,358 people who commute in. A further 13,161 residents commute out of the city to work. Earnings in Peterborough are lower than average. Median earnings for full-time workers were £11.93 per hour in 2014, less than the regional median for the East of England of £13.62 and the median hourly rate of £13.15 for Great Britain as a whole. As part of the governments M11 Corridor, Peterborough is committed to creating 17,500 jobs with the population growing to 200,000 by 2020.

Question about the article:
What two groups of people are the workplace population divided into for the United Kingdom Census 2001