He is a wage-earner, albeit a very highly paid one, and he's going to pay over one-half of his income in taxes if he stays in California.

CNN: Mickelson has a point on taxes

For example, if Japanese households held on to the single-male-wage-earner model for longer than US households then the aging of the Japanese workforce would not have affected the female Japanese labor force nearly as much.

FORBES: Japan, Demographics and National Productivity

Separate data out on Friday showed that spending by Japanese wage earner households - a key barometer of wider consumer demand - rose by a stronger than expected 9.3% in April compared with the previous month.

BBC: NEWS | Business | Japan economy 'getting stronger'

At the one processing sites, there were more than four times as many unassigned offers from self-employed taxpayers (those are typically more complicated than wage earner cases) and 37% of the offers were more than six months old.

FORBES: Trying To Come Clean With The IRS? Get In Line.