How does your account age affect where you can post or comment?

Account age is one of the two primary factors — alongside karma — that subreddits use to gate posting and commenting access for newer accounts. Reddit itself has platform-wide restrictions based on account age that apply in the first few days to a week after an account is created: very new accounts cannot start direct chats with other users, cannot follow other accounts, and may face additional scrutiny from Reddit's anti-spam systems that can result in posts being automatically filtered for review. Beyond these platform-wide restrictions, individual subreddits can set their own minimum account age requirements as a community-level rule enforced through AutoModerator or Reddit's native posting restrictions interface. Common minimum account age thresholds in subreddits range from one week to one month, though some particularly spam-prone or high-profile communities set higher thresholds. The account age requirement is the one variable that cannot be accelerated through any action — it is purely a function of calendar time. No amount of karma accumulation, posting quality, or community engagement reduces the time a new account must wait to meet an age-based threshold. This design is deliberate: it makes it costly for bad actors to create fresh accounts to circumvent bans or run spam campaigns, because they cannot instantly create an account with both sufficient karma and sufficient age. For legitimate new users, account age restrictions can be frustrating, particularly if they create an account specifically to participate in a community during a time-sensitive event. The practical advice for new users is to begin in communities with no or low age requirements, build karma and let the account age naturally, and expect to have access to the vast majority of communities within a few weeks to a month of creating an account.