The worst effect of this is skilled and semi skilled youth who are the backbone of the society.
A community populated by senior members and retirees has a lower chance of economic growth and any expansion.
This leads to poor service delivery.
Labor for physically demanding tasks becomes limited.
A lot of businesses may close due to lower profit margins.
Poverty levels may also rise, with only pensioners affording commodities.
Questions like these are best answered by focusing on an area and using it as a case study. Pick an area you are familiar with and discuss in detailed form each one of the effects that you can observe.