Countries like Sweden and Norway have equal non-transferable paternity leaves and "free" daycare/education/healthcare. They birth rates are still nowhere near replacement levels. The hard truth seems to be that majority of women with education and opportunities don't want to spend their best years on children and bear the cost to their health from multiple child births.
> Improve the climate to that we can be positive about the child’s future.
Please. Now is objectively the best, safest time to have children. When western societies had high birth rates the expectation was basically "it is a coin toss whether a child will survive until adulthood and then they will have to deal with wars, famines and epidemics".