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![IIASA](/sites/default/files/styles/thumbnail/public/2022-09/IIASAslide2_0.png?itok=Xtz4clq8)
International Institute for Applied Systems Analysis (IIASA)
We are an international research institute that advances systems analysis and applies its research methods to identify policy solutions to reduce human footprints, enhance the resilience of natural and socioeconomic systems, and help achieve the sustainable development goals.
![Forest](/sites/default/files/styles/thumbnail/public/2024-06/dreamstime_m_156616408.jpg?itok=r_uKWkpS)
IIASA at IUFRO World Congress 2024
Several researchers from IIASA will be attending this year's world congress by the International Union of Forest Research Organizations (IUFRO).
![Schloss Laxenburg](/sites/default/files/styles/thumbnail/public/2024-02/45655319784_fbbca4e4ad_k.jpg?itok=y38fPoOO)
Summer schools
2024 IIASA Summer Schools
![A crowd of wooden figures surrounded by measuring tape representing information statistics, measurement of the number, trends of population growth.](/sites/default/files/styles/thumbnail/public/2024-06/dreamstime_m_150267675.jpg?itok=DzqgqNCM)
Human capital growth persists with upcoming population decline
The world's population has surged from 1 billion in 1800 to just above 8 billion today, but demographers predict this growth will halt by the end of the 21st century. IIASA researcher Guillaume Marois explains how a new human capital-weighted population metric is reshaping our understanding of global population dynamics and economic potential.
![Europe population](/sites/default/files/styles/thumbnail/public/2024-06/dreamstime_l_79535764.jpg?itok=ZNry9rC3)
Predicting EU migration trends: merging traditional and social media data
IIASA researchers Dilek Yildiz and Guy Abel highlight the benefits of a new statistical model that combines traditional data sources like the census with real-time Facebook data to estimate EU migrant populations, offering valuable insights for policymakers.