The French are up in arms over retiring at 64. How do other countries compare?

A nationwide strike in France to protest a rise in the retirement age drew more than a million people onto the streets on Thursday before ending in violent clashes with police in Paris and other cities.

The French are up in arms over retiring at 64. How do other countries compare?
A nationwide strike in France to protest a rise in the retirement age drew more than a million people onto the streets on Thursday before ending in violent clashes with police in Paris and other cities.