Yemen

The state shall guarantee equal opportunities for all citizens in the fields of political, economic, social and cultural activities and shall enact the necessary laws for the realization thereof. (Art. 24)

Every citizen has the right to participate in the political, economic, cultural life of the country. … (Art. 42)

The citizen has the right to elect and nominate himself as a candidate in an election, as well as the right to demonstrate his opinion in a referendum. The law shall regulate the provisions regarding the practice of this right. (Art. 43)

In as much as it is not contrary to the Constitution, the citizens may organize themselves along political, professional and union lines. They have the right to form associations in scientific, cultural, social and national unions in a way that serves the goals of the Constitution. The state shall guarantee these rights, and shall take the necessary measures to enable citizens to exercise them. The state shall guarantee freedom for the political, trade, cultural, scientific and social organizations. (Art. 58)

a. A voter must meet the following two conditions:
1. must be a Yemeni citizen.
2. must be at least 18 years old.
… (Art. 64)