The diagram shows the age structure of the Polish population in 2015 and the predicted structure in 2050. Since 2013, the retirement age in Poland has been 67 for men and 65 for women.

1. 212015 (%) 8 6 4 2 0 0 2 4 6 8 100+ 95-99 90-94 85-89 80-84 75-79 70-74 65-69 60-64 55-59 50-54 45-49 40-44 35-39 30-34 25-29 20-24 15-19 10-14 5-9 0-4 2050 (%) What might be concluded from the diagram? A Fewer school places will be needed in 2050 than 2015. B Full employment is more likely in 2050 than 2015. C The number employed between ages 20–24 in 2015 was higher than that predicted for 2050. D There will be a higher percentage of the population over retirement age in 2050 than in 2015.[1]

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