I prepared these numbers based on the whole extractable reserves and current production.
Non-extractable reserves were ignored.
........................
KSA : 67 years
UAE: 53 years
Kuwait:51 years
Iraq (2012 data): 132 years
Iran (2010 data:4.2 mb/day):121 years; Iran (current :2.1 mb/day):242 years
Russia: 15 years
USA:14 years
Nigeria:20 years
Norway: 8.7 years
Canada: No estimate at this point
Venezuela: No estimate at this point until the extractable amount of the newly found source is confirmed.
Non-extractable reserves were ignored.
........................
KSA : 67 years
UAE: 53 years
Kuwait:51 years
Iraq (2012 data): 132 years
Iran (2010 data:4.2 mb/day):121 years; Iran (current :2.1 mb/day):242 years
Russia: 15 years
USA:14 years
Nigeria:20 years
Norway: 8.7 years
Canada: No estimate at this point
Venezuela: No estimate at this point until the extractable amount of the newly found source is confirmed.