– Introduction
– Body 1 (Solution 1 ) with evidence, data and examples.
-Body 2 (Solution 2 ) with evidence, data and examples.
– Body 3 (Evaluation) Advantages and disadvantages of each solution then choose the one depending on Evidences.
– Summarise
– References.

Use these sources :

Caley, M. and Sidhu, K., 2011. Estimating the future healthcare costs of an ageing population in the UK: expansion of morbidity and the need for preventative care. Journal of Public Health, 33(1), pp.117-122.
Calvo, E., 2006. Does working longer make people healthier and happier? Issue Brief WOB, 2.
Corporation for National and Community Service. n.d. Research. [online] Available at: [Accessed 29 June 2020].
Graham, C., 2014. Why aging and working makes us happy in 4 charts. [Blog] BROOKINGS, Available at [Accessed 29 June 2020].
Nikolova, M. (2016). Two solutions to the challenges of population ageing. [Online] The Brookings Institute. Available at: https://www.brookings.edu/blog/up-front/2016/05/02/two-solutions-to-the-challenges-of-population-aging/ [Accessed 29 June 2020].
Tyrowicz, J., Makarski, K. and Bielecki, M., 2016. Reforming retirement age in DB and DC pension systems in an ageing OLG economy with heterogeneous agents. IZA Journal of Labor Policy, 5(1), p.8.
Vaillant, G.E., 2008. Ageing well: surprising guideposts to a happier life from the landmark study of adult development. Hachette UK.