Most Expensive Cost of Living and Lowest Cost of Living Country

Where the State with the most expensive cost of living and the country with the lowest cost of living in the world?

Countries with the most expensive cost of living is Norway.
While the state with the lowest cost of living in the world is India.

This is an example of price comparison India (right) and Norway (left). But the price of rice in Norway still cheaper than in Japan, which reached  4.63 $. Fruits in India seems very cheap .. cheaper than in Indonesia. while the price of gasoline in India 1.20 $, while in Norway 2.29 $, in Saudi Arabia 0.14 $

source : http://www.numbeo.com/