Percentage of persons in households where the level of expenditures (including a value of free-of-charge articles as well as natural consumption) was lower than the so-called 'legal' poverty threshold, i.e. the amount which, according to the Law on Social Assistance, provides eligibility for a monetary benefit from social assistance.

The Law on Social Assistance: uniform text in Journal of Laws 2017, item 1769 with later amendments.

The rate is calculated on a basis of the Household Budget Survey.