Study the table below, which shows the actual and predicted population structure for the city of Shenzhen.
| Age Group | 2010 Population (%) | 2035 Population (predicted) (%) |
|---|---|---|
| Under 15 | 12% | 15% |
| 15–59 | 83% | 68% |
| 60 and over | 5% | 17% |
Give two differences in the age distribution in Shenzhen between 2010 and 2035 (predicted).