Let's find out.

Normally, we use adjectives to describe a noun.

'People' is a noun.

'Rich people have a lot of money.'

'Rich people' are a group.

To describe a group of people with a shared quality,

we can use an adjective without using

a noun.

We just add 'the'.

Then, we can delete the noun.

'The rich have a lot of money.'

Now, we have a plural expression.

We can say that poor people are the opposite

of rich people.

'Poor people have less money than rich people.'

Or: 'The poor have less than the rich.'

This is a simple direct expression and it

sounds very natural.

'British people drink a lot of tea.'

We can delete people, add the:

'The British drink a lot of tea.'