Japan's Ninja ShortageA small Japanese city is facing a ninja shortage — even though the salary is $85,000

You may have heard about Japan's demographic crisis— but the country is facing another, lesser-known crisis as well.

Japan does not have enough Ninjas.

In an episode of NPR's "Planet Money" podcast, Sally Herships visited Iga, a small city in central Japan that claims to be the birthplace of the ninja.