"Aging in place" is among the newer terms to be included along with "senior citizen," "golden agers," and others in the lexicon of gerontology. Since aging is a lifelong process and each of us occupies three-dimensional space, we are, of course, always aging in place, but two factors have caused aging in place to emerge as a salient concern for gerontological policy makers. The first is the explosive growth of homeownership after World War II, the other is the perception that thousands of older people have been flowing into nursing homes unnecessarily when they can and should remain in their own home or apartment.