It happened already over 30 years, and in most countries should plateau in less than 10 years. You went from about 200 years of an industrial world where <5% o

It happened already over 30 years, and in most countries should plateau in less than 10 years. You went from about 200 years of an industrial world where <5% of the population was elderly to - in the span of 30 years - that going up to the mid 30s to low 40s in almost all developed countries. Japan & Italy led the charge.