The research involved almost 6,000 babies.
Baby boys are more noisy than girls.
Researchers at the University of Memphis, found up until 12 months, boys are 10% more talkative than girls.
The research involved almost 6,000 babies fitted with recorders, which resulted in more than 450,000 hours of audio, including around 56-million baby noises.
It found on average, boys are more talkative up until 18 months old, after which girls begin to overtake them.