Babies around the world cry for around 2 hours per day in first two weeks, peak at 2 hours 15 mins at six weeks, and reduce to 1 hour 10 minutes by week twelve. Babies cry more in Britain, Canada and Italy, and less in Denmark, Germany and Japan. Based on meta-analysis of almost 8,700 infants.

See the source article by following the link below:
Babies around the world cry for around 2 hours per day in first two weeks, peak at 2 hours 15 mins at six weeks, and reduce to 1 hour 10 minutes by week twelve. Babies cry more in Britain, Canada and Italy, and less in Denmark, Germany and Japan. Based on meta-analysis of almost 8,700 infants.