Uganda

Every person who, on the commencement of this Constitution, is a citizen of Uganda shall continue to be such a citizen. (Art. 9)

The following persons shall be citizens of Uganda by birth-
a. every person born in Uganda one of whose parents or grandparents is or was a member of any of the indigenous communities existing and residing within the borders of Uganda as at the first day of February, 1926, and set out in the Third Schedule to this Constitution; and
b. every person born in or outside Uganda one of whose parents or grandparents was at the time of birth of that person a citizen of Uganda by birth. (Art. 10)

1. Every person born in Uganda-
a. at the time of whose birth-
i. neither of his or her parents and none of his or her grandparents had diplomatic status in Uganda; and
ii. neither of his or her parents and none of his or her grandparents was a refugee in Uganda; and
b. who has lived continuously in Uganda since the ninth day of October, 1962, shall, on application, be entitled to be registered as a citizen of Uganda.
2. The following persons shall, upon application, be registered as citizens of Uganda-
a. every person married to a Uganda citizen upon proof of a legal and subsisting marriage of three years or such other period prescribed by Parliament;
b. every person who has legally and voluntarily migrated to and has been living in Uganda for at least ten years or such other period prescribed by Parliament;
c. every person who, on the commencement of this Constitution, has lived in Uganda for at least twenty years.
3. Paragraph (a) of clause (2) of this article applies also to a person who was married to a citizen of Uganda who, but for his or her death, would have continued to be a citizen of Uganda under this Constitution.
4. Where a person has been registered as a citizen of Uganda under paragraph (a) of clause (2) of this article and the marriage by virtue of which that person was registered is-
a. annulled or otherwise declared void by a court or tribunal of competent jurisdiction; or
b. dissolved,
that person shall, unless he or she renounces that citizenship, continue to be a citizen of Uganda. (Art. 12)

Parliament shall by law provide for the acquisition and loss of citizenship by naturalisation. (Art. 13)

1. A citizen of Uganda of eighteen years and above, who voluntarily acquires the citizenship of a country other than Uganda may retain the citizenship of Uganda subject to this Constitution and any law enacted by Parliament.
2. A person who is not a citizen of Uganda may, on acquiring the citizenship of Uganda, subject to this Constitution and any law enacted by Parliament, retain the citizenship of another country.
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5. Where the law of a country, other than Uganda, requires a person who marries a citizen of that country to renounce the citizenship of his or her own country by virtue of that marriage, a citizen of Uganda who is deprived of his or her citizenship by virtue of that marriage shall, on the dissolution of that marriage, if he or she thereby loses his or her citizenship acquired by that marriage, become a citizen of Uganda.
6. Parliament shall by law prescribe the circumstances under which-
a. a citizen of Uganda who acquires the citizenship of another country, may retain the citizenship of Uganda;
b. a citizen of Uganda whose citizenship of origin is of another country and who holds the citizenship of another country, may cease to be a citizen of Uganda;
c. a person who is not a citizen of Uganda may, on acquiring Uganda citizenship, retain the citizenship of another country.
7. Parliament shall, by law, prescribe the offices of State which a person who holds the citizenship of another country in addition to the citizenship of Uganda is not qualified to hold. (Art. 15)

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5. Citizenship, … (Sixth Schedule: Functions and services for which Government is responsible (Article 189))