Bahrain

…
b. Legislative authority is vested in the King and the National Assembly in accordance with the Constitution. … (Art. 32)

The National Assembly consists of two Chambers: the Consultative Council and the Chamber of Deputies. (Art. 51)

The Consultative Council consists of forty members appointed by Royal Decree, in accordance with the procedures, conditions, and the method defined by Royal Decree. (Art. 52)

A member of the Consultative Council must be a citizen of Bahrain, and for naturalized citizens at least ten years must have elapsed since acquiring their citizenship. He must not be a citizen of another country, with the exception of citizens of the member states the Cooperation Council of the Arab States of the Gulf, on the condition that his Bahraini citizenship be his original citizenship. He must enjoy full civil and political rights, and must be enrolled in an electoral register. His age must not be less than 35 years by the Gregorian calendar on the date of appointment, and he must have the requisite experience or have performed a valuable service to the nation. (Art. 53)

The Chamber of Deputies comprises forty members elected by direct, secret general ballot in accordance with the provisions of the law. (Art. 56)

A member of the Chamber of Deputies must meet the following requirements:
a. He must be a citizen of Bahrain, and for naturalized citizens at least ten years must have elapsed since acquiring their citizenship. He must not be a citizen of another country, with the exception of citizens of the member states of the Cooperation Council of the Arab States of the Gulf, on the condition that his Bahraini citizenship be the original citizenship. He must enjoy full civil and political rights, and must be enrolled in the in an electoral register.
b. On the day of his election he must be not less than thirty years of age by the Gregorian Calendar.
c. He must read and write Arabic fluently.
… (Art. 57)