34. Income tax

For the period
Income taxNotefrom 1 January 2014
to 31 December 2014
from 1 January 2013
to 31 December 2013
Current income tax 878 1 161
Deferred income tax 22 (221) 42
Adjustments to income tax from prior periods (10) (1)
Total 647 1 202

Identification of differences between profit before tax for the Group and the income tax which would be achieved were the tax rate of the Parent Entity to be applied.

For the period
from 1 January 2014
to 31 December 2014
from 1 January 2013
to 31 December 2013
Profit before tax 3 098 4 240
Tax calculated using the Parent Entity’s rate (2014: 19%, 2013: 19%) 589 806
Effect of applying other tax rates abroad: (51) 1
Canada (2014: 26%, 2013: 25.75%) 15 (5)
The USA (2014: 35%, 2013: 35%) (26) 36
Chile (2014: 21%, 2013: 20%) 3 (3)
Barbados (2014: 0.25-2.5%, 2013: 0.5-2.5%) (58) -
Other countries 15 (27)
Tax effect of non-taxable income (36) (95)
Tax effect of expenses not deductible for tax purposes * 407 424
Utilisation of previously-unrecognised tax losses (52) ( 9)
Tax losses on which deferred tax assets were not recognised 5 43
Deductible temporary differences on which deferred tax assets were not recognised 85 33
Adjustments to income tax from prior periods (10) (1)
Re-measurement of deferred tax liabilities due to changes in tax system in Chile (290) -
Income tax expense
the average income tax rate applied was 20.9%
(2013: 28.3%)
647 1 202

* tax effect of expenses not deductible for tax purposes in 2014 and 2013 mainly related to the minerals extraction tax. Details in note 28