Because in country different types of races lives like
Whites,Blacks and coloured people migrate from india.
so south African call 'rainbow nation'.

Why South Africans Call Themselves a 'Rainbow Nation'?
South Africa is often referred to as a 'rainbow nation' due to its diverse population and culture. This term was coined by Archbishop Desmond Tutu after the end of apartheid in 1994. There are several reasons why South Africans embrace this label:

Diverse Population:
- South Africa is home to a wide range of ethnicities, languages, and cultures. The population includes African, Indian, Coloured, and White South Africans, each with their own traditions and customs.
- This diversity is a reflection of the country's complex history, with influences from indigenous tribes, European settlers, slaves brought from Asia, and more.

Unity in Diversity:
- Despite the differences among its people, South Africa has made significant strides in promoting unity and reconciliation since the end of apartheid.
- The concept of the 'rainbow nation' symbolizes the coming together of different groups to build a more inclusive and harmonious society.

Nelson Mandela's Vision:
- Nelson Mandela, South Africa's first black president, played a crucial role in promoting reconciliation and unity among the country's diverse population.
- His leadership and vision of a united South Africa inspired the idea of the 'rainbow nation' as a way to celebrate diversity and promote national unity.

Celebration of Diversity:
- Embracing the label of a 'rainbow nation' allows South Africans to celebrate their differences and appreciate the unique contributions of each community.
- This diversity is reflected in various aspects of South African society, including music, art, cuisine, and cultural festivals.
In conclusion, the term 'rainbow nation' encapsulates the rich diversity and unity of South Africa, highlighting the country's journey towards reconciliation and inclusivity.