German Phrase
Welche Infos sind wichtig?
Meaning
The sentence asks for clarification about which pieces of information matter most in a given context. It’s a neutral, open‑ended question that invites the listener to prioritize data, facts, or details.
When to use
Use this question in meetings, study groups, project planning, or any situation where you need to filter out the most relevant facts. It works both in formal business settings (with ‘Informationen’) and informal conversations (with ‘Infos’).
✦Grammar Breakdown
WelcheInfossindwichtig?
Welche (interrogative determiner)
‘Welche’ is the feminine/neutral plural form of ‘welcher’, used to ask about specific items in a set.
Infos (noun, plural)
‘Infos’ is the colloquial short form of ‘Informationen’, a feminine plural noun; it takes the plural verb.
sind (verb ‘sein’ 3rd person plural)
Because ‘Infos’ is plural, the verb ‘sein’ must be conjugated as ‘sind’.
wichtig (predicative adjective)
When used after ‘sein’, ‘wichtig’ stays in its base form; no ending is added.
🗨In Conversation
Welche Infos sind wichtig für das Projekt?
Which pieces of information are important for the project?
Die Zielgruppe, das Budget und die Deadline sind am wichtigsten.
The target audience, the budget, and the deadline are the most important.
✕Common Mistakes
Was Infos sind wichtig?
‘Was’ asks for a thing, not for a selection from a known set; use ‘welche’ when you refer to specific items.
Welche Info ist wichtig?
‘Info’ is singular; the verb must match the plural noun, so use ‘Infos’ or the full ‘Informationen’.
Welche Infos ist wichtig?
Because ‘Infos’ is plural, the correct verb form is ‘sind’, not ‘ist’.
↔Alternatives
Welche Informationen sind wichtig?
Which information is important?
Was ist wichtig?
What is important?
Welche Daten sind relevant?
Which data are relevant?
Cultural Tip
‘Infos’ is a casual abbreviation; in formal emails or presentations you should use the full ‘Informationen’. German speakers also tend to be very precise about what counts as ‘wichtig’, so be ready to justify your answer with concrete details.

