News & Blogs


When are differences different? Musings on IRT analyses of the HCAP cognitive battery
Nov 12, 2021
To illustrate on a conceptual level that there are differences in HCAP batteries across countries. We have a framework for identifying those differences. More importantly, we have a framework for identifying whether those differences lead to impactful differences on individual cognitive scores.
by Dr. Alden Gross
Baseline Report for the Decade of Healthy Ageing 2021-2030
Sep 24, 2021
The Gateway team recently worked with the World Health Organization on their Baseline Report for the Decade of Healthy Ageing 2021-2030.
by Drystan Phillips
The Harmonized Longitudinal Aging Study in India (LASI) Public Data Release
Aug 26, 2021
The Harmonized LASI public data release is set to facilitate further analysis of rich data from the world's second most populous country, India.
by Jinkook Lee
Household use of polluting cooking fuels and late-life cognitive function: A harmonized analysis of India, Mexico, and China
Aug 12, 2021
Researchers investigate how exposure to household air pollution from polluting cooking fuel relates with cognitive function across three low- and middle-income countries.
by Joseph Saenz, PhD
Study Introduction: China Health and Retirement Longitudinal Survey (CHARLS)
Jul 29, 2021
The China Health and Retirement Longitudinal Study (CHARLS) is a nationally and urban-rural representative survey of people aged 45 years and over and their partners, regardless of age, living in China. The baseline survey was fielded in 2011 and 2012 and follow-up surveys have been conducted in 2013, 2015, and 2018.
by Hunter Green; Drystan Phillips
Monthly Analysis of Global Aging Data Seminar Series
Jul 15, 2021
The Gateway to Global Aging Data is pleased to announce our Monthly Analysis of Global Aging Data Seminar Series.
by Codi Young
JGSS Supplement on Cross-National Comparisons of Social and Economic Contexts of Aging
Jun 24, 2021
A supplement to the June 2021 issue of The Journals of Gerontology: Social Sciences features a collection of papers to answer key questions, fill knowledge gaps, and advance our understanding of social and economic influences on aging.
by Jennifer Ailshire
Get to Know the Gateway: Metadata Search Functionality
Jun 02, 2021
Our team maintains a database of the questionnaire metadata spanning all the waves of HRS family aging surveys released to date. To aid our visitors in finding particular questions/variables of interest in our indexed metadata, we have provided a metadata search feature on our Surveys at a Glance page.
by Abhishek Karmakar
Study Introduction: The Korean Longitudinal Study of Aging (KLoSA)
May 03, 2021
The Korean Longitudinal Study of Aging (KLoSA) is a panel study of people over age 45, living in South Korea. A core survey is conducted every even-numbered year starting from 2006, and Waves 1 – 7 have been released so far. In order to make the survey more accessible, the USC Gateway to Global Aging team created the Harmonized KLoSA, a user-friendly version of a subset of the KLoSA.
by Hae Yeun Park
LASI-DAD Data Release
Apr 12, 2021
Announcement for the newest version of the Harmonized LASI-DAD data files and the raw study data. Now available for download. These newly released data files include the sample from all three phases of Wave 1 data collection.
by Sarah Petrosyan
Get to Know the Gateway: Institutional Rules Explorer
Mar 31, 2021
The Gateway to Global Aging is adding a new feature – the Institutional Rules Explorer. The Explorer provides contextual details about the policy and institutional arrangements of particular countries over time. The initial release of the Explorer is focused old-age retirement policies – including old-age pensions, social assistance, and health insurance.
by David Knapp
Get to Know the Gateway: Concordance Tables: Health
Mar 03, 2021
Being users of the international HRS family of surveys ourselves, we understand just how difficult it can be to find comparable items across surveys. In order to make this task easier, the Gateway has created 23 individual concordance tables covering 13 separate topics comparing the questions asked across surveys.
by Jenny Wilkens
Study Introduction: The Longitudinal Ageing Study in India (LASI)
Feb 19, 2021
A detailed introduction to The Longitudinal Ageing Study in India (LASI) - a nationwide panel survey that aims to scientifically investigate the health, economic, and social determinants and consequences of population ageing in India.
by Jinkook Lee
Study Introduction: Malaysia Ageing and Retirement Survey (MARS)
Feb 10, 2021
A detailed introduction to The Malaysia Ageing and Retirement Survey (MARS) - a nationwide panel study involving people aged 40 years and over in Malaysia.
by Norma Mansor; Nurul Diyana Kamarulzaman
Get to Know the Gateway: Data Download Guides
Jan 07, 2021
The details of the registration, approval process, and length of time until granted access vary by study. To help explain these differences and guide users through the registration process and data download steps, we have created “Data Download Guides” for each study.
by Sarah Petrosyan
Study Introduction: Mexican Health and Aging Study (MHAS)
Dec 17, 2020
A detailed introduction about the Mexican Health and Aging Study (MHAS) - a national longitudinal household survey for the study of health, economic status, and quality of life among persons aged 50 and over, and their spouses, regardless of age, in Mexico.
by Rebeca Wong; Alejandra Michaels-Obregon
Get to Know the Gateway: Study Overview Pages
Dec 03, 2020
In line with our goals to make key information about each study readily available to researchers, we have recently released overview pages that briefly summarize each HRS-family study’s sampling frame, method of data collection, sample, available data linkages, and data access process.
by Hunter Green
Harmonized life histories and childhood conditions from SHARE and ELSA
Oct 29, 2020
Several studies have collected data on the past events and circumstances in a respondent's life using life history interviews. These data have organized and made comparable in the Harmonized SHARE & ELSA Life History data.
by Dr. Morten Wahrendorf; Dr. Christian Deindl
2020 Gateway to Global Aging Data Virtual Meeting Updates
Oct 15, 2020
The Gateway team hosted a virtual Gateway to Global Aging Project Meeting with collaborators from across the globe to provide updates on current projects and discuss new innovations for the next project cycle.
by Codi Young
A brief introduction to the Harmonized HRS End-of-Life Dataset
Oct 01, 2020
The Harmonized HRS EoL data file presents multiple exploration advantages for researchers. This blog post addresses two of these merits. 1) promote usability for researchers and individuals who aim to explore the exit interview, 2) help the user to conduct comparative analyses across the HRS Family of Surveys.
by Hannah Bae
The Longitudinal Aging Study in India-Diagnostic Assessment of Dementia (LASI-DAD)
Sep 17, 2020
Global efforts in studying Alzheimer’s and other dementias are paramount due to the increase in life expectancy around the world. With this growth in the older population, LASI-DAD becomes vital to better understand risk factors contributing to late-life cognitive decline.
by Sarah Petrosyan
Gateway to Global Aging Data: User Survey Results
Sep 02, 2020
As some of you may know, the Gateway to Global Aging Data recently conducted a survey of our users, asking them about their experience with our website and data products. Here, we take a look at the results.
by Jenny Wilkens
Global Expansion of the HRS Family of Surveys
Aug 06, 2020
Due to the innovations and success of the study, the HRS has served as a model for sister studies around the world. As of 2017, the Health & Retirement Study and its international sister studies have conducted nearly 1.1 million interviews in 44 countries.
by Hunter Green
HCAP Comparison
Jun 17, 2020
We explore how the Harmonized Cognitive Assessment Protocol (HCAP) was designed to leverage the HRS-family of studies to assess dementia risk and cognitive function in countries like USA, India, Mexico, England, and China.
by Codi Young

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