By 2050, minorities will represent about percent of the population, and nearly percent of the population will be hispanic.

By 2050, minorities will represent about FIFTY  percent of population, and nearly THIRTY percent of the population will be Hispanic. 
The word minority is typically used to describe a set of people that are very small in number in a defined population. Scientists have projected that by year 2050, the minority groups would have increased greatly in number and that about 30% of this population will be Hispanic. 

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