In 2006, there were around 4.03 million households in the Czech Republic, and people living alone amounted to 23.6 percent. At that time, 35.7 percent of households had children. In 2011, there were 4.18 million households, with 23.7 percent living alone and 34.6 percent having children. One-child families accounted for 17 percent, while there were two children in 15 percent, and three or more children in 3 percent.