Puberty is not a disease state, so there is no real answer to this question. If a country had a high rate of people not going into puberty they would not be able to reproduce.
Countries with the lowest natural increase rates typically have low birth rates and/or high death rates. As of a 2021 United Nations report, countries like Bulgaria, Latvia, and Japan have some of the lowest natural increase rates in the world.
The lowest birth rates in the world are the Peopls republic of China
North Dakota has the lowest auto insurance rates in the USA.
According to the World Bank, the Central African Republic has one of the lowest literacy rates in the world, with just over a quarter of the population being able to read and write.
Amsterdam.
Japan has the lowest birth rate in the world.
Armenia has one of the lowest rates of uneducated people in the world!
The country with the lowest birthrate in the world is Latvia.
Vatican City is the country with the lowest population in the world, with approximately 800 residents.
No, Britain does not have the lowest crime rate in the world. Quite the opposite infact, Britain is ranked as having one of the highest crime rates in the world.
Please clarify, increase of what.
India