Kryštof Zeman is working at the Vienna Institute of Demography since 2008 as academy scientist. His main focus is study of fertility, in particular fertility databases as Human Fertility Database, Human Fertility Collection, Birth Barometer, European Demographic Datasheet, and, as a response to the COVID-19 pandemic, a recent project of Short-Term Fertility Fluctuations.

Kryštof Zeman has studied at the Charles University in Prague, including studies at the University of Amsterdam, and at the Max Planck Institute for Demographic Research in Rostock. He completed PhD in Demography in 2004. In 2004–2008 he worked at the Demographic Statistics Section of the Czech Statistical Office.

• Human Fertility Database
• Human Fertility Collection
• Birth Barometer
• European Demographic Datasheet
• Short-Term Fertility Fluctuations

• Birth rate decline in the later phase of the COVID-19 pandemic: the role of policy interventions, vaccination programmes, and economic uncertainty
  Maria Winkler-Dworak; Kryštof Zeman; Tomáš Sobotka
  Human Reproduction Open, 2024(3): 1-13
• European Demographic Datasheet 2024
  Kryštof Zeman et al.
  Vienna Institute of Demography / Wittgenstein Centre for Demography and Global Human Capital, 2024
• Pandemic roller-coaster? Birth trends in higher-income countries during the COVID-19 pandemic
  Tomáš Sobotka; Kryštof Zeman; Aiva Jasilioniene; Maria Winkler-Dworak; Zuzanna Brzozowska; Ainhoa Alustiza-Galarza; László Németh; Dmitri Jdanov
  Population and Development Review, 2023, 50(S1): 23-58
• The fertility assumptions for the population projection of the Czech Republic of the Czech Statistical Office from 2023
  Kryštof Zeman
  Demografie, 2024, 66(4): 249–260
• Cohort fertility decline in low fertility countries: Decomposition using parity progression ratios
  Kryštof Zeman; Éva Beaujouan; Zuzanna Brzozowska; Tomáš Sobotka
  Demographic Research, 2018, 38(25): 651–690