Statistics Iceland
Statistical Database
Íslenska
Statistical database
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Equivalised disposable income, percentiles 2004-2014

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20150605
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VIN07110
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According to Eurostat procedures the years of the table refer to the survey year, the year the survey was implemented. The income reference period is the previous tax year.

The deciles show the proportion of persons who have lower equivalised disposable income than the given amount. For instance there are 50% of persons with lower equivalised disposable income than 256,000 ISK per month in 2011.

The EU-SILC is a sample survey which must be taken into account when looking at the results. In order to evaluate the uncertainty due to sampling error confidence interval is calculated (CI). The interval reaches equally far below and above the number it applies to and is added to and subtracted from the number. If evaluated at-risk-of-poverty rate is 10% and the confidence interval is +/- 1.2 the lower limit is 8.8 and the upper limit is 11.2 given 95% confidence level and therefore it can be stated that in 95% of samples of equal size the result would fall within the given interval. When comparing two numbers in order to see if the difference between them is large enough to be statistically significant one needs to look a the confidence interval of both numbers and see if they cross each other.