The following table shows the world population in billions: 
What is the percentage change from 1960 to 1970?
Definitions:
Gap Between Rich And Poor
A term describing the widening disparity in wealth and income between the wealthiest and the poorest segments of a population.
Richest 20%
The segment of a population that holds the highest 20% of wealth or income.
Poorest 20%
Refers to the lowest quintile in an income distribution, representing the 20% of the population with the lowest income.
Faith Ringgold
Faith Ringgold is an American artist known for her narrative quilts that address issues of race, gender, and politics in the United States, blending visual art with story-telling.
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