The table below shows key data on the demographics of four different countries.

The table illustrates the main information with regard to the total inhabitants, national income in dollars and the mean lifespan of multiple nations totalling 4.

Overall

, China exhibits the highest population among the four countries.

However

,it has the lowest economic output. Interestingly, the UK demonstrates the lowest resident figures but the biggest aggregated age at which people are expected to die.

To begin

with, China's almost 1.5 billion people, the largest proportion of individuals residing there, is approximately fivefold that of America, the second most populous in the rank at slightly over a quarter a billion.

Similarly

, when it comes to the longevity of life , the United Kingdom is favourably placed at an estimated average of above 80 years.

Moreover

, the United States of America has the upper hand as far as the aggregate product is concerned with nearly 55,000 dollars per capita.

On the other hand

, Great Britain's count per head is the lowest at just below 65,000.On the same note, China's gross domestic product is the least among the quartets at only 6,807

while

the US sits at the bottom when the average continuity of life is considered at close to 70.