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Welcome to the NACDA-ICPSR Colectica Portal!

The NACDA-ICPSR Portal facilitates efficient comparisons of longitudinal data, focusing on data on aging populations. The Portal is based on the DDI metadata standard and is powered by Colectica software.

The NACDA-ICPSR Portal is supported by the National Institute on Aging U24AG056918, and is managed by NACDA staff. The National Archive of Computerized Data on Aging (NACDA) is part of ICPSR; find out more and discover thousands of FREE data resources by visiting our sites!

Discover more Longitudinal Data Portals, such as for the Midlife in the United States Study (MIDUS) by visiting the Colectica website.

Please note that the credentials required below are independent from your ICPSR MyData credentials. Also, in order to complete the registration process you must verify your email after creating your login credentials. If you do not verify your email it will cause issues in the event you need to reset your password.

Please contact us at icpsr-nacda@umich.edu for questions about the Portal.

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