10 countries where water is the most expensive are as follows:

Costa Rica - $2.35
The USA - $2.17
Norway - $2.06
Canada - $1.80
Australia - $1.72
Finland - $1.71
Ireland - $1.65
Hong Kong - $1.64
Uruguay - $1.64
Panama - $1.48

10 countries, where water is the cheapest are as follows:

Pakistan - $0.33
Algeria - $0.29
Bangladesh - $0.28
Tunisia - $0.27
Nepal - $0.26
Turkey - $0.26
Iran - $0.25
Egypt - $0.25
Libya - $0.24
Nigeria - $0.17

As for Georgia and the countries of the region: Georgia ranks 57th among 95 countries in the given list; it is noted that water in Georgia costs $0.64 (GEL1.80). In the region, water is more expensive than Georgia only in Armenia $0.66; in Azerbaijan water costs $0.55, in Ukraine - $0.52, in Russia - $0.50, in Turkey - $0.26 and in Iran - $0.25.