“
Demographic trends are not opinions. They are facts.
And facts require understanding, not ignoring.
Fertility is not falling despite progress. It is falling together with it.
Explore the dataSLOVENIA · INDEPENDENT RESEARCH INSTITUTE
Institute for Demographic Future
Slovenia is facing the greatest demographic transformation of the modern era.
Fertility is not falling despite progress. It is falling together with it.
Data sources: SURS · Eurostat · IMAD | Registered institute in Slovenia | EU Transparency Register: 8705364103985-08
1.52
Fertility rate
–4,631
Natural increase 2024
22.3%
Population aged 65+
2,124,000
Population of Slovenia
Slovenia is changing demographically faster than ever before.
Fewer births. More older people. Negative natural increase since 2017. The Institute for Demographic Future collects, explains and contextualises these data — for the public, decision-makers and future generations.
Institute Original Research
Developing original demographic theories and models
Adaptive Demography Theory and Beyond 2.1 are original research frameworks developed by the Institute for Demographic Future. They connect long-term demographic projections, reproductive participation and the question of how European societies can prepare for the future in time.
Foundations of the Institute
Mission
We research, analyse and explain Slovenia’s demographic trends and their impact on society, individuals and the future.
Vision
To become a leading independent demographic centre in the region, using data, knowledge and innovation to contribute to a better future for all generations.
Purpose
To strengthen demographic understanding and encourage thoughtful decisions through a scientific and responsible communication approach.
Our Projects
IDP Academy
A long-term development platform for young researchers, analysts, project contributors and future professionals.
Open projectDemographic Youth Incubator
Workshops for young people that ask the right questions about the future — not instead of them, but together with them.
Open projectLove Is Your Power
A project about relationships, identity and personal loyalty to oneself. For those seeking maturity, honesty and deeper meaning.
Open projectRelationships and Sexuality Education
A professional programme on relationships, boundaries, respect, consent and responsible development among young people.
Open projectDemographic Time Machine & Silver Economy Slovenia
An analytical system for understanding the future of municipalities and the opportunities created by population ageing.
Open project#PreštejmoSe
How many are we? How many will we be? An initiative for connection and a responsible demographic future.
Open projectCurrent
Socially responsible partnership
When responsible companies invest in Slovenia’s future
ZASLON has supported the expansion of IDP’s demographic research, public projects and free tools.
2 August 2026
Media coverage
Institute for Demographic Future featured in Delo
Delo published an extensive article on Slovenia’s long-term demographic future and IDP’s perspectives.
24 July 2026
IDP Analysis
Only one in four EU households has children
An analysis of household structure, young adults’ life-course transitions and implications for Slovenia.
20 July 2026”
The question is not why fertility is falling. The question is what we will do today.
Get in touchPARTNERSHIPS
Our partners
The Institute is building a network of partners that contribute to understanding relationships, families, communities and Slovenia’s demographic future.
Our impact
Policy proposal
National Demographic Fund
● SubmittedResearch
Where Is Reproductive Time Going?
● PublishedDemographic Youth Incubator
95 young people involved
● ActiveOnaOn partnership
Strategic partnership
● ActiveELFAC
European partnership
● ActiveIDP Akademija
First cohort in preparation
● Established