Population Action International

Dr. Leiwen Jiang, a top population and climate researcher, is PAI's Senior Demographer. Dr. Jiang has been a co-investigator on population and climate research with Brian O'Neill of the National Center for Atmospheric Research (NCAR) and continues to partner with climate change experts on behalf of PAI. Dr. Jiang has conducted research and taught on population-environment studies for more than nine years in the United States, Europe, China and other Asian countries. 
Dr. Jiang's most recent work focused on population and household projections for the United States, China and Europe; the impact of population dynamics on energy consumption, land use and climate change in the US, China, India and other major regions of the world; household projection modeling; population migration and land degradation in Xinjiang, China; energy transition in China and India; and projections of households and housing demand in China.
 
Dr. Jiang holds a BA and MA from Peking University in Sociology and a Ph.D. in Demography and Environment Sciences from The University of Amsterdam. He conducted post-doctoral research at the Max Planck Institute for Demographic Research, and was also an associate professor at Peking University, a visiting scholar at Indiana University, the Vienna Institute of Demography of the Austrian Academy of Sciences, and the University of Amsterdam. Before joining PAI, he was an assistant professor of research at the Watson Institute for International Studies and a faculty associate of the Population Study and Training Center at Brown University, as well as a guest researcher at the Population and Climate Change Program of International Institute for Applied System Dynamics Analyses (IIASA).
 
Dr. Jiang has an extensive publications record and his work has been funded by the Wellcome Trust Foundation, the World Bank, the China Natural Science Foundation, and a National Key Research Project in China.