Population Reference Bureau: "The Population Reference Bureau informs people around the world about population, health, and the environment, and empowers them to use that information to advance the well-being of current and future generations."
Agriculture town ~ est age btw, 6 to 21 yrs, require proper "social re-engineering" to ensure a consistent profiling/distribution of individuals by age group whom choose to migrate to the various towns.
In 2014 a giant salamander emerged from the Kamo River in Japan. Landed appearances of the giant creature are considerably rare due to them making their home underwater and being only active at night. Japanese giant salamanders are the second-largest salamanders on Earth, surpassed only by the closely related Chinese giant salamander. They feed on insects, frogs, crabs, shrimp, and fish; but since the 1950s, their population has declined rapidly due to habitat destruction and overhunting.
PRB’s Digital Visualization highlights key global demographic trends. Explore current and projected population by region and country. And look at changes in total fertility, infant mortality, and life expectancy since 1970. A U.S. “What-If” scenario focuses on the effects of race and ethnicity on child poverty, child obesity, and college degrees. Also check out PRB’s 2014 World Population Data Sheet, interactive map, and DataFinder.