Smallest country: Vatican City

Population          : 826

Next may be seen through link.

http://www.mapsofworld.com/world-top-ten/world-top-ten-least-populated-countries-map.html

https://www.youtube.com/watch?v=-0cHRmJEwuI

http://zoomtens.com/top-ten-smallest-countries-in-the-whole-world-by-population/2/

Smallest country: Vatican City

Population          : 826

Next may be seen through link.

http://www.mapsofworld.com/world-top-ten/world-top-ten-least-populated-countries-map.html

https://www.youtube.com/watch?v=-0cHRmJEwuI

http://zoomtens.com/top-ten-smallest-countries-in-the-whole-world-by-population/2/

Smallest country: Vatican City

Population : 826

Population Distribution and Change

http://sedac.ciesin.columbia.edu/theme/population?main.html&2

Thanks for the information Dr Singh