deetashiyouryou ni kakawarazu, kihonryoukin wa onaji desu.

topic particle

Breakdown of deetashiyouryou ni kakawarazu, kihonryoukin wa onaji desu.

• です: to be
• 同おなじ: same
• 〜に かかわらず: regardless of; irrespective of

Questions & Answers about deetashiyouryou ni kakawarazu, kihonryoukin wa onaji desu.

What does にかかわらず mean in this sentence?

にかかわらず means regardless of, irrespective of, or whether or not X changes.

So:

• データ使用量にかかわらず = regardless of data usage
• Full sentence: Regardless of data usage, the basic fee is the same.

This is a set expression, so it is best learned as one grammar pattern:

• Noun + にかかわらず
• Clause/dictionary form + かかわらず in some cases

It is commonly used in formal or written Japanese.

Why is the particle に used after データ使用量?

Because にかかわらず is a fixed grammar pattern.

In this sentence, データ使用量 is a noun, and nouns connect to this pattern with に:

• データ使用量 + にかかわらず

So here, に is not being chosen freely the way it sometimes is with other grammar. It is simply part of the expression N にかかわらず.

You should think of it as one chunk:

• 年齢にかかわらず = regardless of age
• 天候にかかわらず = regardless of the weather
• データ使用量にかかわらず = regardless of data usage

Is かかわらず related to the verb 関わる?