1. How has the age of retirement changed? Why has it changed?
 

This question is important because it can shows how people's working behaviour change from the past to now. The main arguments for this question are why old people decide to work longer, old people should retire and enjoy their life. But they decide to work, is that mean our society has someting wrong?

--What will that affect to GDP?

--Do firms want their employee to work longer?

--This event happen in develop country or indevelop country?

--Is that affect young people employment?

--Is that affect old people's health?

--Which area's people in Canada work longer and which area's people work the less?

--Does government policy cause the age of retirement changed?

--Does RRSP, welfare affect old people's decision?