Just-compiled figures for 1995 demonstrate the continued market power of the top-1 00 chain restaurants, which held more than a 48-percent market share in 1995. The bulk of that market-share growth occurred between 1975 and 1985, however, and in the past decade the top-100 chains have had to increase the number of units faster than their increase in market share. Many of these units are down-sized units intended to occupy niche locations. Independents continue to dominate in the fullservice restaurant segment. Prospects for the top chains are driven by the changing lifestyles of the aging baby-boom cohort.