Comparison of spanish's constitutions

1) In the constitution of 1931 the form of government was as republic and the head of the state was a president while in the 1978 one, the form of government is a parliamentary monarchy where the head of the state is the king but he hasn't almost any decision of power. 

2) The sovereignty of the state comes from the people on both constitutions.

3) The symbol of the first constitution is the republican flag, of purple, red an yellow colours against the red, yellow and red of the second.

4) In the Republican constitution (1931) the state had the same laws for all the communities, it was only recognized the Catalonia statute because of historical and cultural reasons. Nowadays (1978) each community has it´s own statute apart from the laws from the government.

5) In the first constitution (1931) the official language is Spanish and there was not other recognized language, while in the current one (1978) the official language is Spanish but there are other idioms recognized like Gallego, Vasco and Catalán.

6) Refering to religion, the 1931 constitution had no official religion and there was not a lot of liberty to chose whilst the constitution of 1978 gave Spanish people the freedom of choosing their ideology, religion or beliefs and the state had a special colaboration with the Catholic church because it was the main religion in the country.

7) In the constitution of 1978 the courts are divided in congress and senate, but the previous one (1931) was only a congress.

8) In the constitution of 1931 the state was divided in municipalities that are joint in provinces that at the same time they were divided in communities, and with permission of the gobern they could have their own statute. In the 1978 constitution  the state was divided in autonomous communities and at the same time they are divided in provinces with municipalities.

10) In the first constitution (1931) as well as in the second (1978) all spanish people were equal in the law without differentiating of religion or gender. All spanish citizen has must know the spanish language and has the right of using it. All spanish has the right and the duty of defending Spain.