Duggar, 45, who in December held a memorial service for a miscarried baby, defended her decision with her husband, Jim Bob Duggar, to have 19 children, saying there's nothing wrong with having a large family, the New York Daily News reported Thursday.
"We've had other countries coming to our doorstep asking us to please let their people know that they need to have more children because their death rates are outnumbering their births rates and they're in crisis," she told the Christian Broadcasting Network.
She said the world is "not anywhere near being overpopulated."
"The idea of overpopulation is not accurate because, really, the entire population of the world, if they were stood shoulder to shoulder, could fit in the city limits of Jacksonville, (Ala.)" Duggar says.
The Duggar family, which stars in TLC'S "19 Kids and Counting," lives in the suburb of Little Rock, which has an area of about 28 miles, the Daily News said.
"I agree with Mother Teresa when she said, 'To say that there are too many children is like saying there are too many flowers.' Our world needs more joy."