Podatkovni promet raste.

It is a fixed-looking noun phrase meaning data traffic or data transfer traffic.

• podatkovni = data-related
• promet = traffic, flow, turnover, depending on context

In technology and telecommunications, podatkovni promet usually means the movement or usage of digital data, such as internet or mobile data traffic.

In Croatian, it is very common to turn a noun into an adjective to describe another noun.

Here:

• podatak = a piece of data
• podaci = data
• podatkovni = data-, related to data

So instead of saying something like traffic of data, Croatian naturally says podatkovni promet, literally something like data-related traffic.

Because it is an adjective agreeing with promet.

Promet is:

• masculine
• singular
• nominative

So the adjective must match it:

• podatkovni promet

This -i ending is the normal masculine singular nominative ending for many Croatian adjectives.

It is in the nominative case because it is the subject of the sentence.

The sentence structure is:

• Podatkovni promet = subject
• raste = verb

So the thing that is increasing is podatkovni promet, and subjects normally appear in the nominative.

Raste is the 3rd person singular present tense form of the verb rasti, which means to grow, to increase, or to rise.

Why singular?

Because the subject podatkovni promet is singular.

So:

• ja rastem = I grow
• ti rasteš = you grow
• on/ona/ono raste = he/she/it grows
• podatkovni promet raste = data traffic grows / is increasing

Croatian present tense often covers both:

• a general truth or ongoing tendency
• something happening now

So raste can mean:

• grows
• is growing
• is increasing

In English, data traffic is increasing often sounds more natural, but Croatian does not need a separate continuous form the way English does.

No. Promet is a broad word and can mean different things depending on context, for example:

• traffic
• circulation
• trade
• turnover

But in podatkovni promet, the intended meaning is clearly the movement or volume of digital data, so data traffic is the natural interpretation.

Yes, Croatian word order is fairly flexible.

The neutral order here is:

• Podatkovni promet raste.

But you could also hear:

• Raste podatkovni promet.

That version puts more focus on the verb or the fact of increase.

However, inside the noun phrase, the adjective normally comes before the noun:

• podatkovni promet

That part is much less flexible than the sentence as a whole.

Because Croatian has no articles.

So Croatian does not have separate words for:

• a
• an
• the

Whether the meaning is definite or indefinite is understood from context.

So Podatkovni promet raste can mean:

• Data traffic is increasing
• The data traffic is increasing

depending on the situation.

Yes. The head noun here is promet, and promet is singular.

The adjective podatkovni only describes what kind of traffic it is. So the grammar follows promet, not English data.

That is why the verb is singular:

• promet raste
• not promet rastu

Yes. Depending on context, rasti can be translated as:

• to grow
• to increase
• to rise
• to go up

So in a technical or statistical context, raste often sounds most natural in English as is increasing or is rising rather than literally is growing.

A simple approximate pronunciation is:

• POH-dat-kov-nee PROH-met RAH-steh

A few helpful notes:

• r in Croatian is rolled or tapped
• e is usually pronounced clearly, not reduced like English uh
• stress is not usually marked in normal writing, so learners often just imitate native audio at first

A careful pronunciation of the words would be:

• podatkovni
• promet
• raste