Look at the table below reporting unemployment data about the population of City in 2001, 2011, 2021.

1. What is the size of the labour force in 2001, 2011, 2021?
2. How many were officially unemployed in 2001, 2011, 2021?

2001 2011 2021 Unemployment Rate 5% 9.1% 4.9% Labour Force 66.2% 64.2% 62.7% Participation Rate Working-age Population 234M 238M 251M