The advantages of legalizing gay marriages are, it increases the state revenue because revenue from gay people marrying emenates from marriage licenses, higher income taxes. A marriage should provide both physical and psychological health benefits, and researchers say that refusing same sex marriages has resulted in harmful psychological affects. Legalizing gay marriage will not harm a heterosexual marriage, and divorce and abortion rates will decrease. The US state of Massachusetts, the first state to legalize gay marriage in the US, has reported the least number of divorce cases.

However, there are many disadvantages associated with legalizing gay marriage. The institution of marriage is already threatened with high divorce rates, and allowing same-sex marriages can further weaken the institution. This may further give way to polygamous, incestuous, bestial, and other non-traditional relationships. Many religious and ethical beliefs are associated with marriage and these beliefs will get disturbed with gay marriage. There are many such disadvantages, which are associated with gay marriage.

In countries like Australia gay marriages are a major political agenda. The government in Australia provides a legal re-organization to such relationships, and has put in place many reforms that provide entitlements for gay couples in areas such as social security, employment, taxation, immigration, taxation and workers compensation. Some other countries that are also thinking on the same lines are Netherland, Belgium, Spain, Canada, South Africa, Norway, Sweden and Portugal, reported yahoo. However, the difference between the treatment of a gay marriage and a normal marriage still exists across the world.