more like kept it from sliding in the last few decades, but yes, still pretty high, and it's an achievement. They were also helped by having a very young popula

more like kept it from sliding in the last few decades, but yes, still pretty high, and it's an achievement. They were also helped by having a very young population to begin with (just look at that perfect age pyramid), and the whole country currently has population of Nagoya metro area, Japan is much bigger and harder to change.