The phrase 'richer groups' is correct and usable in written english.
You can use it when you need to refer to people with higher incomes or higher levels of wealth compared to other people. For example: The government should prioritize their spending and assistance to poorer groups rather than richer groups.
With income inequality rising, it's not surprising that richer groups have actually provided an increasing share of federal tax revenue.
Through a segment analysis, we found that the more educated, younger, and poorer groups gave higher cognitive values than the less educated, older, and richer groups, respectively.
On health system benefits, despite prioritizing on vulnerable groups, DSF's substantial effect on the poorest of the poor was mixed compared to that on the relatively richer groups.
In its summary of the harm caused by the government's austerity programme, the LSE team judged: "Almost all of the savings achieved by cutting benefits were offset by gains for richer groups".
Overall, richer groups are more likely to support self-determination movements than poorer ones.
It is very likely that richer groups have a stronger bargaining position than poorer groups viz. the central government, which could explain why they are able negotiate satisfactory autonomy arrangement and thus avoid wars.
But it was asking about the idea of raising taxes on those with incomes of at least $1 million a year -- a very different, much smaller and considerably richer group.
The Fischer carbenes can be modified by electron-rich groups.
Unlimited political filth by anonymous rich groups — this is John Roberts's America.
Variation in wealth is substantial with the richest groups earning more than ten times what the poorest groups earn.
So why save parasites at all? Parasites are one of the most species-rich groups on Earth.
