The 54-year-old American actress told an Australian magazine that she wanted to have more children but could not choose for herself.
"I would be happy if I had 10 children, but that's fine because I'm also a mother of other children, I have 6 nieces and nephews, and I teach religion to 12," Kidman said.
She added that she enjoys being a mother because she loves children.
The actress said about children that children are a little strange, funny and pure hearted, and then you see them growing up and send them on their way.
Nicole Kidman and her husband Keith Urban are the parents of 13-year-old daughter Sunday Rose and 10-year-old Iman Margaret, while the actress has two children from her ex-husband Tom Cruise, including a 28-year-old daughter Isabella and a 26-year-old son. Corner included.