Persons aged 15 years or more who, during the reference week:

- performed for at least one hour any work generating pay or income, i.e. were employed in a public company/institution or by a private employer, worked on their own (or leased) agricultural farm, or conducted their own economic activity outside agriculture, assisted (without pay) in work on family agricultural farm or in conducting family economic activity outside agriculture,

- had work but did not perform it:

a) due to sickness, vacation, parenthood related leave (maternity leave, childcare leave, paternity leave or parental leave), organization of working time (work system or overtime), job-related training,

b) due to a seasonal nature of work, if they continue to regularly perform tasks and duties for the job or business off-season (excluding fulfilment of legal or administrative obligations),

c) for other reasons if the break in employment did not exceed 3 months.

The employed population was determined in the reference week, i.e. from 25 to 31 March 2021.

• Regulation (EC) No 763/2008 of the European Parliament and of the Council of 9 July 2008 on population and housing censuses
  Place of publication: (Dz. Urz. UE L 218 z 13.08.2008, str. 14)
• Act of 9 August 2019 on the National Census of Population and Housing 2021
  Place of publication: (Dz. U. z 2021 r. poz. 1143, z późn. zm.)