A high court in South Africa ruled on Wednesday that Chinese-South Africans will be reclassified as "black," a term that includes black Africans, Indians and others who were subject to discrimination under apartheid. As a result of this ruling, ethnically Chinese citizens will be able to benefit from government affirmative action policies aimed at undoing the effects of apartheid.

In 2006, the Chinese Association of South Africa sued the government, claiming that its members were being discriminated against because they...