Monaco has the highest median age at 48.9 years.
The average age to get married varies by country and culture, but globally it tends to be around the late 20s to early 30s.
Niger has the highest birth rate in Africa, with an average of over 7 children born per woman. This high birth rate can have significant implications for the country's population growth and development.
Based on the graphs showing the distribution of heights among people in four different countries, the country with the tallest people can be determined by looking at the graph with the highest peak or median height. The country whose graph shows the highest peak or median height generally has the tallest people on average.
Afghanistan is the country with the highest percentage of Muslim population.
From the amazingly useful CIA World Factbook (something I consult almost every time I visit a country for the first time) Median age (Males) 35.5 years
Whites
Chili has the highest average elevation almost the whole country is over 6000ft
Switzerland has the highest average elevation in Europe, with most of its land being above 1,000 meters. The Swiss Alps contribute to the country's high average elevation.
Gothm city
Tibet was once the highest country, but it's no longer a country -- it's part of China. Nepal and China are tied for the highest location -- Mt. Everest, but the overall average of neither is the highest. Maybe Peru?
The country with the highest average humidity is Papua New Guinea, with an average humidity of around 85%. Other countries with high humidity levels include Paraguay and the Philippines.
Norway
The country with the highest average annual temperature in the world is Ethiopia, specifically at Dalol. The recorded temperature is the 94 degrees Fahrenheit.
There is no such test done to this, but on average Singaporeans have the highest IQ.
on average a Country Club Manager makes $150,000 to $250,000. Highest paid Country Club Manager makes $819,000
United Arab Emirates has the highest heat record and highest temperature average per year
Finland is a Nordic country, so I highly doubt it has a high average temperature.