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PPI Research examines the prospects for secure middle-class retirement.  


See also personal stories of struggling middle-class Americans.

Data Center

PPI State Data Center

Data by state on Americans 50-plus: health, financial security, housing, caregiving and more.  Read

our public

Learn about the policy development process at AARP, and read about AARP's positions on public issues in The Policy Book, AARP Public Policies

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chronic care

Faces of Chronic Care, a video produced by AARP’s Public Policy Institute, explores the difficulties faced by many older Americans with chronic health conditions as they (and their caregivers) navigate the health delivery system. Watch


PPI is home to the Center to Champion Nursing in America, an initiative of AARP, the AARP Foundation and the Robert Wood Johnson Foundation. The Center coordinates the Future of Nursing: Campaign for Action, a nationwide initiative to transform health care through nursing, engaging a wide range of health care professionals, consumer advocates, policy-makers, and the business, academic, and philanthropic communities. More

PPI Staff

Ari Houser, MA

Quantitative Methods Advisor, PPI Independent Living/Long-Term Care Team

Ari Houser, AARP

Ari Houser, MA

Ari Houser has been part of the AARP Public Policy Institute since 2004.  His work focuses on trends in demographics, disability, family caregiving, and the use of formal services.  He has been the lead researcher on the Across the States and Valuing the Invaluable series of publications on long-term services and supports and family caregiving.  In addition, he provides methodological and statistical assistance across the Public Policy Institute.

Prior to coming to AARP, Ari worked at the Rand Corporation, and he has taught courses in statistics and public policy.  He has undergraduate degrees from Swarthmore College, an M.A. from the University of Maryland, and is currently a Ph.D. candidate in Measurement, Statistics, and Evaluation at the University of Maryland, College Park.

Areas of expertise

Demographics, disability, family caregiving use of formal LTSS

Selected publications

AARP - Across the States

Trends in Family Caregiving and Paid Home Care for Older People with Disabilities in the Community: Data from the National Long-Term Care Survey

Valuing the Invaluable

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