Specifically, the fertility rate consists of the following aspects:
1. Female population: The more female population, the higher the fertility rate.
2. Average life expectancy: The longer the average life expectancy, the higher the fertility rate, because people have more time to have children.
3. Marriage age: The lower the marriage age, the higher the fertility.
4. Social, cultural, religious and other factors: these factors will affect people's fertility concepts and behaviors, thus affecting fertility.
So in King of Crusaders 3, if you want to improve fertility, you can start from the following aspects:
1. Increase the female population: By improving women's social status and education level, women can be encouraged to participate in social life, thus increasing the female population.
2. Improve the average life expectancy: We can improve people's life expectancy and fertility by improving medical care and environmental sanitation.
3. Lowering the age of marriage: Young people can be encouraged to marry early and have children early through policy guidance, publicity and education, so as to improve their fertility.
4. Promote the development of social, cultural and religious factors: we can improve the influence of social, cultural and religious factors on fertility by strengthening publicity and education, so as to improve fertility.
It should be noted that the improvement of fertility rate requires long-term efforts and investment, and the cooperation of various forces. One measure alone cannot achieve the expected results.