No, people at the beginning of the boomer generation and are currently retired. They started this roller coaster (and nothing against them, they didn't choose when they were born).
They were born from 1940-1952 and are currently retired.
The generation ends at 1964, so the wave of boomers will likely end around 2044.
Nope, just White Men.
If you read the article, the study only covers the White countries.
Meanwhile, the nonwhite countries continue to have population explosion.