This is what a tough stance on immigration looks like

Japan Limited Immigration; Now It's Short of Workers.  (The New York Times, 2/10/2017)

Just like the United States and other developed countries, Japan has a hard time finding people to pick vegetables, collect nursing-home bedpans and wash restaurant dishes. In America, many of these low-skilled, low-paying jobs are filled by illegal immigrants, an arrangement attacked by President Trump during his campaign.

Source:  worldometers

Japan's population peaked in 2009.

Related reading:
Japan census report shows surge in elderly population, many living alone.  (The Japan Times, 5/29/2016)

Compared to 14.0% in the U.S. in 2015.  The number of elderly people aged 65 or older accounts for 26.7 percent of the 127.11 million total population, up 3.7 percentage points from five years ago, a summary report of the 2015 national census show.

Compared to 18.2% in 2015, up from 16.0% in 2010, in West Virginia, a state that has lost 1.2% of its population since 2010.