Longitudinal data suggests that the single adult homeless population is going through a demographic transition, where the overall population is aging but there are indications that a younger cohort may be emerging. Scholars Dennis P. Culhane, Stephen Metraux, Thomas Byrne, Magdi Stino, and Jay Bainbridge argue that interventions at both ends of this transition: housing the aging and increasingly infirm elements of this population while diverting at-risk younger populations from homelessness, have the potential to make a lasting reduction in this population.

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