Learn Portuguese (Portugal): Há cada vez mais habitantes nesta zona. - There are more and more inhabitants in this area.

In Portuguese, the set phrase for a progressive increase is cada vez mais, which literally translates to "each time more". While you might be tempted to use mais e mais, it sounds unnatural to native speakers. cada vez mais is the standard way to express that something is constantly increasing.

Where should I place cada vez mais in a sentence?

When it describes a noun (like habitantes), it acts as a quantity word and goes directly before that noun, just like "more" does in English. However, if you are describing how an action is increasing, you place it after the verb, as in Eles estudam cada vez mais (They study more and more).

Why is the verb Há singular when it talks about plural habitantes?

When the verb haver is used to mean "there is" or "there are", it acts as an impersonal verb. This means it only ever uses the third-person singular form, even when the items existing are plural. It is a common mistake for learners to try to make it plural, but it strictly stays as Há in this context.