The tendency of increasing average arithmetic and median incomes of population has been established, as well as some reduction in average income in the crisis years. In 2013 the level of income has increased, so the reduction of income in 2009 - 2011 can be considered as a temporary fluctuation. There is also the tendency to reduce the proportion of families living below the fixed level of subsistence in Latvia in the period from 2002 to 2009. Since 2009 the number of such families began to grow.
The same trend continues in 2013 as well. A possible reason of such dynamics could be an increase of consumption basket per one household member. Using the univariate regressional analysis the authors have established the following linear relationship: