Database from the study: Determinants of fertility - marriages and informal relationships in Poland. Conducted at the Instytut Pokolenia in 2023.

The database contains the answers of 6,000 respondents provided in a survey as part of the study: "Determinants of fertility - marriages and informal relationships in Poland." The study was carried out using the CAWI method on a research panel on a representative sample of adult Poles in November 2023.