Aim and Design: The world’s population is ageing. Not only it changes the body composition, but ageing also causes psychological, pathological and economic alterations. These may impact an individual’s quality of life and nutritional status. Thus, this systematic review article aims to review the prevalence of geriatric malnutrition in healthcare institutions and its associated factors. Data Sources: The articles are screened and reviewed based on their titles, abstracts and keywords. English written articles, open-accessed and published between January 2009 and December 2019 are then selected. Review Methods: The PRISMA method is used for this study. Potential studies related to geriatric malnutrition in healthcare institutions were identified using two different combinations and two major electronic search engines, namely Pubmed and Science Direct. Results: From a search of 1011 articles, 22 articles were identified related to geriatric malnutrition in healthcare institutions. Globally, it is found that the prevalence of malnourished elderly patients ranged between 6% – 74.5%. The factors associated with malnutrition among the elderly in the healthcare institutions were recognised, namely socio-demography, medical background, anthropometry data, biochemical data, nutrition-focus physical findings, and dietary inadequacy. Conclusion and Impact: Despite the studies done, geriatric malnutrition is still a matter of concern. Hence, future strategies for interventions need to be taken to aid in overcoming this issue otherwise affecting the health status and life expectancy of the elderly.