- Total population is approximately 40 million
- 4 out of every 100 African is a Yoruba
- They live in Southwestern Nigeria, Benin and Togo Republics,
Cuba, Brazil
- Religion: Christianity, Islam, Indigenous Religions

As a result of the middle passage (slave trade), there is a large
Diaspora in the US Caribbean, Cuba, Venezuela, Brazil and Southern
United States.
Yoruba cultural influence can be seen in the religious practice
of people in the Caribbean, Cuba, Venezuela, Brazil and Southern
United States (Voodoo and Orixa cults). Recent immigration has also
led to huge populations of Yoruba in practically every country/region
in the world. We are largely urban dwelling, patrilineal societies
with complex political and social organization. Women are largely
independent and do gain status and wealth often as a result of involvement
in trade and service industries.
Current area occupied by the Yoruba has been constantly inhabited
since 9,000 BC. Yoruba history talks about a “migration from
the East”. The first Kingdom to form in Southwestern Nigeria
is that of Ife. This was in 1100 AD. Yoruba mythology states that
the world was created by the descent of Oduduwa with a cock, sand
and some cowrie shells from heaven. He arrived on a water-logged
world and created the world as we know it today! Therefore Ile-Ife
is the “source” Till date, Ile-Ife as the modern town
is called is the spiritual headquarter of the Yoruba and the “Oni
(pronounced aaw-kni)” is the ruler. After Ile-Ife came, Oyo
Empire whose rulers united the disparate Yoruba city-states into
a loose confederation. By 1820, the advent of Islam from the North
and slave trade plunged the Yoruba into decades of civil war which
were finally ended when the Yoruba became colonized by the British
and incorporated into Nigeria in 1914.
Ibadan is a city in South Western Nigeria that has been constantly
inhabited for about 5,000 years. However, its population swelled
as refugees from the internecine civil war settled in the city.
By the time the war was over, Ibadan emerged as the dominant military
and political force in Nigeria and at one time, with a population
of 1 million people, it was the largest indigenous city in Africa.
Because of this recent history, the city developed a republican
type of city government.
It has about 19,000 residents, the majority of whom are Yoruba.
- Community of ~ 19,000 people
- Demographic characteristics similar to that of South Western
Nigeria
- Almost 100% literacy rate
- Mostly traders, artisans and low to mid-level professionals
- Almost equal ratio of men and women, Moslems and Christians
- Governance is by Council of Elders
- Our community is headed by a Chief
- We hold regular town meetings – mainly to discuss communal
projects and security issues, and to resolve conflicts
- We have welcomed several experiences with research participation
as a center for recruitment of control subjects for breast cancer
genetic epidemiology studies
And most recently, we participated as one of the sites for the
International Haplotype Mapping Project. You can read about
this project here.
This is the first
basic science project that will be hosted on the web in Yoruba
language.
As part of the project we set up a Community Advisory Group.
The members of the Community Advisory Committee who were chosen
to reflect the gender, religious and occupational groups in our
society are:
From our community:
- Pa. T. A. Ogundiran - Industrialist. Chief
Executive of International Haplotype Mapping Study at Aba-Alamu
- Rev. Samuel Olasupo Onajide - Clergyman. Chairman,
Community Advisory Group
- Mr. D. I. Aiyedogbon - Trader. Secretary of
the Community Advisory Group
- Alhaji R. O. Badmus - Trade Unionist
- Mr. T. O. Ogunjobi - Trader
- Mrs. Victoria Adedun - Teacher
- Mrs. Aduke Pearsen - Trader
In addition to members of the community, we had 2 people nominated
by the local research team
- Professor O. A. Adebo – Professor of
Cardiothoracic surgery and former Head of Department of Surgery,
University of Ibadan, Ibadan, Nigeria
- Mr. Kolade Mosuro – Publisher and Director,
The Booksellers Ltd, Jericho, Ibadan.
You can find out about the scientists involved in the project,
including those from the University of Ibadan here.
Since the completion of the project, we have regularly received
Newsletters and Quarterly Updates about how the resource donated
by our community is being used. You too can read these news letters
in English
and Yoruba.
You can find out about the papers that have been published about
the HapMap here.
On this page, you will also find information about how to refer
to the populations. We realize that many scientists have not had
to worry (until now perhaps ?) about how to refer to Yoruba people
and are wont to use generic rules of grammar. For example, some
refer to Yoruba people, Yoruba samples etc., this is wrong.
We are excited to have been a part of this project. We trust the
scientists that conducted the study and they reciprocated by treating
the community and its institutions with respect and courtesy. We
are thrilled to be contributing to scientific research that will
help people from all parts of the world. We think that having done
this, we should not be neglected when time comes for additional
studies on this theme. Our community knows fully well the benefits
of research and look forward to participating in more in the future.
The Community Advisory Group continues to meet to discuss the Quarterly
Reports from the Coriell Institute
and any other issue that may arise from the HapMap study.
We are also collaborating with the West African Bioethics Training
Program in their training programs for bioethicists in West Africa
by providing opportunities for students on the program to conduct
studies and practicum in the community and within the CAG
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