Answer
In 20 years, the narrowing base of the Swedish population pyramid will have begun to move up the graph. For Kenya, the broader base will move up, and, depending on reproduction rate in future, the base could widen further.
Work Step by Step
Population has a significant impact on many parts of human life. The Kenyan economy, all other things being equal, has a brighter future than the Swedish; the economist Adam Smith showed that prosperity has always been associated in human history with rising population.