05 December 2018 - 07 December 2018
Vienna, Austria

Fertility across time and space

IIASA's World Population Program is co-organizer of the Wittgenstein Centre Conference 2018 and will present new demographic research on fertility.

Daycare center © Arne9001 | Dreamstime.com

Daycare center © Arne9001 | Dreamstime.com

Today about a half of the world population lives in countries with fertility around or below two births per woman. Post-transitional fertility rates have often been unstable, undergoing unexpected downturns, upswings
and reversals. To account for these developments new theories, methods, and measures have been proposed. These advances have been stimulated by an emergence of new data sets that allow in-depth comparisons of period and cohort fertility and their components between countries and sub-national regions. In particular, the Human Fertility Database (HFD) and the Human Fertility Collection (HFC) have established themselves as the leading resources in aggregate-level research on fertility.

Co-organized by the Wittgenstein Centre (IIASA, VID/ÖAW, WU) and the Max Planck Institute for Demographic Research (MPIDR), this conference aims to build on the expanding data availability and contribute to methodological and empirical advances in fertility research. 

The conference will cover the following topics:

  • Spatial differences in fertility
  • Components of fertility change and variation
  • Fertility differentials by sex, education, and socioeconomic characteristics
  • Fertility timing, tempo effects in fertility
  • Very low fertility
  • Shifts and reversals in fertility
  • Impact of economic factors, labor market and policy measures on fertility
  • Aggregate-level perspective on fertility intentions, desires, ideals
  • Fertility modelling and forecasting
  • Methods and indicators in fertility research
  • Multilevel analysis
  • Data visualization
  • Data resources

IIASA contributions at the Wittgenstein Centre conference:

Wednesday, December 05, 2018

Symposium Opening, 1.30-2PM

  • Wolfgang Lutz, Wittgenstein Centre (IIASA, VID/ÖAW, WU) (presentation video)
  • Dmitri A. Jdanov, MPIDR
  • Tomas Sobotka, Wittgenstein Centre (IIASA, VID/ÖAW, WU)

Thursday, December 6, 2018

Session 4: Data, methods and forecasting, 11:50AM–1:10PM (presentation video)

Projecting the future births in the EU28 with fertility differentials reflecting women’s educational and migrant characteristics • Michaela Potancokova and Guillaume Marois

Poster Session: 2-3PM

  • Living arrangements of children today and fertility rates tomorrow: A regional analysis across Europe • Natalie Nitsche and Erich Striessnig

Session 5: Child costs, economic conditions, migration and fertility (presentation video)

  • Making ends meet with children: A panel analysis of child costs using EU-SILC data for 30 European countries • Sonja Spitzer, Angela Greulich and Bernhard Hammer

Session 7: Fertility in East and South-east Asia

chaired by Anne Goujon

Round table 2: What is the most important factor likely to influence future fertility trends and why? (session video)

  • Participants: Alicia Adsera, Albert Esteve, Setsuya Fukuda, Wolfgang Lutz, Trude Lappegard

Event details:

Title: Fertility across time and space: Data and Research Advances, Wittgenstein Centre Conference 2018 and 3rd Human Fertility Database Symposium

Date: 5-7 December 2018

Location: Vienna University of Economics and Business, building LC, Ceremonial Hall 1, Welthandelsplatz 1, 1020 Vienna

Registration: There are no participation fees, but the participants are expected to cover their own travel and accommodation expenses.

Due to limited space, interested participants, who will not give a presentation are asked to contact before registering.

For detailed information please visit the event website.

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Last edited: 16 October 2019


Wolfgang Lutz

Program Director

World Population

T +43(0) 2236 807 294

Stefanie Andruchowitz

Program and Project Officer

World Population

T +43(0) 2236 807 356

Research at the World Population Program

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