Isn't the percentage of non religious rising globally? We can't really ever converge into one way or another since the distribution of intelligence among popula

Isn't the percentage of non religious rising globally? We can't really ever converge into one way or another since the distribution of intelligence among population will always be the same. Some people will need religion and some people will need rationalism. As long as we have religious freedom the only thing that will change is converging from imposed religious declaration to real/actual one