Lesenswert, ein umfassender Überblick über die weltweite Überalterung: „…Slightly higher fertility rates and more #immigration mean the United States and Australia, for example, will be younger than most other rich countries in 2050. […] just under 24 percent of the population is projected to be 65 or older in 2050,[…] but lower than in most of Europe and East Asia, which will top 30 percent.“ https://www.nytimes.com/interactive/2023/07/16/world/world-demographics.html