PostEaseThe short answer
Post three to five times a week to your Instagram feed, and add Stories on top. Buffer’s analysis of 2.1 million posts from 102,000 accounts found that three to five feed posts a week more than doubled the follower growth rate of one or two, and earned about 12% more reach per post. Hootsuite recommends the same three to five, plus two Stories a day.
More is better if you can keep the quality: Buffer found growth kept rising at six to nine posts a week and again at ten or more, but each step added less than the one before. Pick the highest rhythm you can hold every week, because a steady three beats an uneven seven.
What 2.1 million posts show
Buffer compared the same accounts in weeks when they posted more and weeks when they posted less, which separates the effect of frequency from the difference between big and small accounts. It counted feed posts only (photos, carousels and Reels together), not Stories.
| Feed posts a week | Follower growth rate, above a week with no posts | Reach per post, against 1 to 2 a week |
|---|---|---|
| 1 to 2 | +0.12% | The baseline |
| 3 to 5 | +0.26% | About 12% more |
| 6 to 9 | +0.44% | About 18% more |
| 10 or more | +0.66% | About 24% more |
What brands do, and what others recommend
Recommendations and real behaviour differ. Sprout Social’s benchmark of nearly 3 billion messages finds brands average one to two Instagram posts a day, far above what the growth data says you need to start seeing results.
| Source | How often | Based on |
|---|---|---|
| Buffer, Aug 2025 | 3 to 5 feed posts a week | Growth and reach across 2.1 million posts |
| Hootsuite, Apr 2025 | 3 to 5 posts a week, plus 2 Stories a day | Expert advice and Instagram’s own guidance on Stories |
| Sprout Social, Aug 2025 | 1 to 2 posts a day | What brands post on average, not what works best |
More posts help, by less each time
Going from one or two posts a week to three to five more than doubled the growth rate in Buffer’s data. Going from three to five up to six to nine added less, and ten or more added less again. The first few posts a week do most of the work.
That is why consistency matters more than a burst. A week with no posts is the one that costs you most, so a rhythm you can keep through a busy month is worth more than a heroic week followed by silence. Batch your posts on a quiet day and schedule them, so the rhythm does not depend on your week.
Stories are counted separately
Buffer’s figures are feed posts only. Stories reach the followers who already watch you rather than new people, and Hootsuite passes on Instagram’s own advice of about two a day. Treat them as the way you stay in touch between feed posts, not as a replacement for them.
A sample week
Put the frequency and the timing together and a four-post week looks like this, using Buffer’s best slot for each day from its separate study of 9.6 million Instagram posts. Drop the Tuesday post for a three-post week.
| Day | Time | Why this slot |
|---|---|---|
| Monday | 7 p.m. | Monday’s best slot, as the week settles |
| Tuesday | 7 p.m. | Tuesday’s best slot; the one to drop for three posts |
| Wednesday | 12 p.m. | One of the week’s top three slots |
| Thursday | 9 a.m. | The week’s single best slot |
How to find your own number
Start from the data, then let your account move it:
- Begin at three feed posts a week, on the days your followers are most active.
- After a month, add a fourth. If your typical post’s reach holds, keep it; if quality slips or the work becomes a grind, go back.
- Judge by the median, your typical post, not by the one that took off. A single viral Reel says little about the rhythm that grows an account.
Questions
Is posting on Instagram every day too much?
Not in Buffer’s data: accounts posting ten or more times a week grew fastest. The catch is quality. Daily posting only helps if each post is still worth seeing, so build up to it rather than starting there.
Can posting too often hurt on Instagram?
Buffer found no point where more feed posts reduced growth; each extra band added a little less. What hurts is quality dropping to keep up, and weeks with no posts at all.
Do Reels count toward the three to five?
Yes. Buffer counted photos, carousels and Reels together as feed posts. Stories were not counted.
What if I can only post once a week?
Post once a week, every week. In Buffer’s data even one or two posts a week grew accounts more than weeks with none, and a rhythm you keep beats one you abandon.
How many Instagram Stories should I post a day?
About two, which is the advice Hootsuite passes on from Instagram. Stories keep you in front of followers between feed posts.
Sources
- Buffer, How often should you post on Instagram? What data from 2 million posts tells us, August 2025.
- Hootsuite, How often to post on social media, April 2025.
- Sprout Social, How often to post on social media, August 2025.
- Buffer, The best time to post on Instagram, September 2026.