According to the International Federation of Robotics, household cleaning robots accounted for 90 % of the service robot market in 2005. The next three years are brimming with potential, with sales perhaps reaching over four million units.
國際機器人協會 2005 年統計，家用清潔機器人佔服務型機器人市場的 9 成，未來 3 年的銷售量可達 400 萬台以上，潛力十足。