6 babies were born to each human woman on average across most of human history. According to Hans Rosling it now 2.4 children per woman worldwide, and falling

6 babies were born to each human woman on average across most of human history. According to Hans Rosling it now 2.4 children per woman worldwide, and falling , vaccination and education - across Europe it is less than 2. https://www.youtube.com/watch?v=4eWzhrc611A https://www.youtube.com/watch?v=4eWzhrc611A