This means 'according to' or 'based on'. You use it to say where you got your information.
Noun + によるとPrimary
This means 'according to' or 'based on'. You use it to say where you got your information.
天気予報によると、明日は全国的に晴れるそうです。
According to the weather forecast, it will be sunny nationwide tomorrow.
今朝の新聞によると、政府は新しい税金を導入したとのことです。
According to this morning's newspaper, the government has introduced a new tax.
専門家の話によると、この問題はそう簡単には解決できないらしい。
According to the experts, it seems this problem cannot be solved so easily.
その事故は、警察の発表によると、スピードの出し過ぎが原因だったそうです。
Regarding that accident, according to the police announcement, the cause was apparently excessive speed.
友人によると、あの店のランチはあまり美味しくないそうだ。
According to my friend, the lunch at that restaurant isn't very good.
This phrase is like a formal news report. You use it when you share information you heard from someone else. You must also add words like 'I heard' or 'they say' at the end of your sentence. If you don't, it sounds like you are saying it is your own idea.
Both mean 'according to'. You use '〜によると' to say where you heard or read something. '〜によれば' is almost the same. But you can also use '〜によれば' when you guess something. For example, 'it should be...' or 'it will probably be...'. News often uses both. '〜によると' is more common for facts.
Don't use this when you want to say your own opinion. For example, you cannot say "According to me..."
Often confused with(1)
Contrasts with(3)
More formal alternatives(2)
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