In the developed world, average life expectancy is increasing. What problems will this cause for individuals and society? Suggest some measures that could be taken to reduce the impact of ageing populations.
You don't need to mention any specific problems or solutions in your introduction and conclusion. These paragraphs can be short, easy and general. Remember that the main paragraphs are much more important in terms of your score.
It is true that people in industrialised nations can expect to live longer than ever before. Although there will undoubtedly be some negative consequences of this trend, societies can take steps to mitigate these potential problems.
In conclusion, various measures can be taken to tackle the problems that are certain to arise as the populations of countries grow older.