Inactive members are those who have not contributed to any conversation or have not engaged for some time in the community. This time period is typically 1 month but can be dynamic based on how each community classifies its inactive members.
Mind you, inactive members or lurkers are not the same. A lurker is someone who’s indirectly active in the community; someone who doesn’t engage but is aware of what’s going on. On the other hand, an inactive member is someone who has entirely been away from the community. An inactive member is also someone who, at some point was engaged with the community but either gradually or at once, stopped returning.
The truth about inactive members -
However, you can take some measures to reactivate members of your community.