What it means
ものと思われる expresses an inference or considered judgment that something is likely to be true. It is more formal and impersonal than simply saying と思う, and it is common in reports, academic writing, official statements, and analytical prose. The construction presents the conclusion as a reasonable assessment rather than as the speaker’s openly stated personal opinion. It follows a plain verb or i-adjective, while a noun or na-adjective normally uses である before the construction.
Usage note
ものと思われる does not necessarily mean that a specific person literally thinks something; it often means that the available evidence suggests a conclusion. Do not confuse it with ものと思う, which more directly expresses the speaker’s belief or assumption. The polite counterpart ものと思われます is conventional, although both forms remain relatively formal.
How to use it
彼は本件の責任者であるものと思われます。
He is thought to be the person responsible for this matter.
この方法は有効であるものと思われます。
This method is thought to be effective.
その影響は大きいものと思われます。
The impact is thought to be significant.
新制度は来年から施行されるものと思われます。
The new system is thought to take effect from next year.
彼は本件の責任者であるものと思われる。
He is thought to be the person responsible for this matter.
この方法は有効であるものと思われる。
This method is thought to be effective.
その影響は大きいものと思われる。
The impact is thought to be significant.
新制度は来年から施行されるものと思われる。
The new system is thought to take effect from next year.