All laws have a effect on your popularity, popularity effects depends on your governments ideology and Left-Right leaning.
The status of things like condoms and birth control in your country, starts off legalized in the majority of nations with the notable exception of the Holy See. Illegalizing increases birth rate.
The status of aborting unborn children in your country, starts off illegal in most developing and semi-developed nations and legal in most 1st world nations. Illegalizing increases birth rates. Very minor effect on world relations
The status of marriages that consist of more then 2 people. starts off illegal in most nations except a few Islamic nations. Increases birth rate when legalized, Minor effect on DR.
- Same Sex Marriage
The status of homosexuals in your country, starts off illegal in most nations with a notable exception being France. Legalizing hurts birth rates. Moderate effect on DR.
- Freedom of demonstration
The status of protesting in your country, starts off illegal in most statist/authoritarian nations such as Turkey or China. Major effect on DR.
- Freedom of speech
The status of ones freedom to express themselves freely, starts off illegal in totalitarian nations such as North Korea. Major effect on DR.
- Child Labor
The status of child workers in your nation. starts off illegal in most developed and semi-developed nations. Legalizing makes your economy grow faster. Somewhat high effect on DR.
- Woman Sufferage
The status of Women voting, starts of illegal in some Islamic nations. Moderate effect on DR.
- Children per familiy
How many offspring a couple can have, starts off limited in China, if limited lowers birth rate. No effect on DR