The World Passport in this respect has a track record of over 60 years acceptance since it was first issued. Today over 185 countries have visaed it on a case-by-case basis. In short, the World Passport represents the one world we all live in and on.
Median age* of the population. Over the past 50 years, the median age of the world's population has increased by a mere three years, from 23.6 in 1950 to 26.4 in 2000. (The median marks the point where half the population is older than that age and half is younger). But over the next 50 years, the median age will jump to 37, according to the latest projections made by the United Nations. By 2050, 17 developed countries are expected to have a median age of 50 or more.
The age of the middle child is the middlemost number in the data set, which is 12. In the problem above, we found the median of a set of 5 numbers. Definition: The median of a set of data is the middlemost number in the set. The median is also the number that is halfway into the set.To find the median, the data should first be arranged in order from least to greatest.To remember the definition of a median, just think of the median of a road, which is the middlemost part of the road. In the problem above, 12 is the median: it is the number that is halfway into the set.he age of the middle child is the middlemost number in the data set, which is 12. In the problem above, we found the median of a set of 5 numbers. Definition: The median of a set of data is the middlemost number in the set. The median is also the number that is halfway into the set.