"vulnerable population groups" is correct and usable in written English.
You might use it when referring to people with a higher risk of negative outcomes due to their circumstances, such as "Older adults are often members of vulnerable population groups with limited access to resources and support."
The government stakeholders and specialists in the present study appeared to have considerable knowledge on the impacts from climate change on eco-environmental health, and they pointed out important factors influencing vulnerability and identified several vulnerable population groups.
"It will provide funding to civil society groups working on the neglected areas of the ICPD [International Conference on Population and Development] agenda, reaching the most marginalised and vulnerable population groups".
Children and young people are considered one of the most vulnerable population groups when exposed to accidental dwelling fires.
Among the most vulnerable population groups, the over-80s account for almost 7% of the population and the under-15s for almost 16% (01.01.2016, www.ssb.no/en/).ssb.no/en/
After acknowledging that Urban Heat Island hugely affects building thermal-energy behavior, recent contributions deal with its effect on vulnerable population groups in terms of their exposure risk to health diseases even worsened by energy poverty.
A generalization of the use of suitable technologies in production processes of instant teas could substantially reduce the exposure to estragole in the vulnerable population groups (infants, young children, pregnant and breastfeeding women) who consume these products.
They are generally aimed at the most vulnerable population groups, including the impoverished elderly, children, unemployed adults and people with disabilities.
This is something that affects all sectors of Cuban society, including the most vulnerable population groups, namely children, women and the elderly.
We were able to identify vulnerable population groups in our analysis.
They also draw attention to vulnerable population groups who may be at additional risk.
In addition, vulnerable population groups need customized information and care for proper prevention of frostbites.
