We could likely have a higher population growth rate and global birth rate.
But this isn't the solution. The solution is society has to want more kids, society has to invest in systems around them. Attack people who don't want to have kids, but could and praise people who are having kids, and even praise people who otherwise have reasons not to want them to have them anyway is an example.
It's a system of sticks, carrots, and an environment to do that.
We don't even need to have religious conservatism or human-creating science-based methods. For example, hurting children gets you higher crime penalties than not hurting children. But lots of people are against this because it would change modern society forever. Women would have to pay most of the cost even if men were to be forced to do most of the housework because guess where most of the risk is, women. So women, and especially younger women are against it. Rich people are against it because they would be paying for the cities to be safer from both cars and risky people. Many couples who don't want kids, and just want to vacation would be against it, why change their lifestyle and society and likely their incomes for this? And the list goes on.
In short, it's the free market and democracy that is against it, we would have fewer freedoms and or more stigmas in such a society.
But this isn't the solution. The solution is society has to want more kids, society has to invest in systems around them. Attack people who don't want to have kids, but could and praise people who are having kids, and even praise people who otherwise have reasons not to want them to have them anyway is an example.
It's a system of sticks, carrots, and an environment to do that.
We don't even need to have religious conservatism or human-creating science-based methods. For example, hurting children gets you higher crime penalties than not hurting children. But lots of people are against this because it would change modern society forever. Women would have to pay most of the cost even if men were to be forced to do most of the housework because guess where most of the risk is, women. So women, and especially younger women are against it. Rich people are against it because they would be paying for the cities to be safer from both cars and risky people. Many couples who don't want kids, and just want to vacation would be against it, why change their lifestyle and society and likely their incomes for this? And the list goes on.
In short, it's the free market and democracy that is against it, we would have fewer freedoms and or more stigmas in such a society.