"How often should we post?" is the first question almost every business asks about social media. The honest answer is: more often than most businesses do, but never more often than you can keep up. Here's what the largest studies actually found, platform by platform, and what to do with it.
The short answer
| Platform | What the data supports | Source |
|---|---|---|
| Instagram (feed and Reels) | 3 to 5 posts a week; 1 to 2 is the floor | Buffer, 2.1M posts |
| LinkedIn (company page) | At least weekly; more lifts reach | LinkedIn; Buffer, 2M+ posts |
| TikTok | Several a week; more mostly helps your best videos | Buffer, 11.4M posts |
| YouTube | Consistent quality over frequency | YouTube Help |
The numbers that follow explain why.
Consistency matters more than volume
The clearest finding in the research isn't a number of posts. It's that showing up every week beats posting in bursts.
Buffer followed more than 100,000 accounts over 26 weeks. Accounts that posted in 20 or more of those weeks got 450% more engagement per post than accounts that posted in 4 weeks or fewer (Buffer, 2025). Engagement kept rising with consistency up to about 21 weeks, then leveled off.
What this means for you
A rhythm you can hold for a year is worth more than a month of daily posts followed by silence. Pick the cadence you can defend, then defend it.
Buffer analyzed 2.1 million feed posts from about 102,000 accounts (Buffer, 2025). Compared with posting once or twice a week, reach per post was about 12% higher at 3 to 5 posts a week, 18% higher at 6 to 9, and 24% higher at 10 or more. The biggest jump is from "once or twice" to "three to five". After that, each extra post adds less.
Instagram's head, Adam Mosseri, has said there's no single right number, that posting more generally brings more reach, and that you should choose a schedule you can sustain without burning out.
LinkedIn's own guidance for company pages is simple: companies that post weekly see twice the engagement on their content (LinkedIn).
Posting more often keeps helping. In Buffer's study of more than 2 million LinkedIn posts, accounts posting 2 to 5 times a week got about 1,182 more impressions per post than accounts posting once a week, and accounts posting 6 to 10 times a week about 5,001 more (Buffer, 2025).
TikTok
Buffer's study of 11.4 million TikTok posts found that posting more often raises views per post, but mostly for your best videos: the typical video barely changes, while the top ones reach much further (Buffer, 2025). More posts mean more chances for one to break out.
You'll often read that TikTok "officially recommends 1 to 4 posts a day". We couldn't find TikTok saying that anywhere.
YouTube
YouTube is the one platform that tells you, in writing, not to chase frequency: "Prioritize consistent quality content over a high frequency of uploads." It also warns that frequently sharing content that doesn't resonate can, over time, affect a channel's performance (YouTube Help).
What other brands actually post
For context, the Rival IQ 2025 benchmark of 2,100 brands found the median brand posts about 4.5 times a week on Instagram, 4.2 on Facebook, 2.2 on X and 2 on TikTok (Rival IQ, 2025). The same report found engagement per post fell on every platform from the year before, and that posting the most didn't make brands the most engaging: some of the best performing industries posted less than the median.
That's not a contradiction. Within one account, posting more gives more chances to reach people. Across brands, what you post matters more than how much.
Does the time of day matter?
A little. Sprout Social's analysis of about 2 billion engagements found Tuesdays and Wednesdays, from late morning through the afternoon, are the strongest overall (Sprout Social, 2026). But different studies name different peak slots, and the best time for your account is when your audience is online. Your own analytics beat any general chart.
The right number of posts is the highest number you can keep publishing, every week, without the quality dropping.
How to pick your rhythm
- Start from what you can sustain, not from the ideal. A smaller rhythm kept for a year beats an ambitious one kept for a month.
- Choose two or three channels where your customers actually are, rather than being thin everywhere.
- Aim for the step that matters most: on Instagram, from once or twice a week to three to five; on LinkedIn, at least weekly.
- Plan a month at a time, so the week you're busy doesn't become the week you go quiet.
- Check your own numbers every month, and adjust the rhythm and the timing to what your audience does.
How Groselia handles it
At Groselia, the rhythm is part of the plan we agree with you each cycle: which channels, how often and when, chosen for your audience and picked from your own accounts' engagement data. Then our team makes the content and publishes it on schedule, so your accounts never go quiet when your week gets busy.
