GuideNov 8, 2026 · Every plan · 2 min read

Carousels or Reels? 4 answers for Instagram, LinkedIn and Facebook.

On Instagram, carousels earn more engagement from people they reach, and Reels reach more. What Buffer's data says for Instagram, LinkedIn and Facebook.

Carousels or Reels? The honest answer is that they do different jobs, and each channel is different. Here are four answers, channel by channel.

At a glance

Plans: Every plan
Covers: 4 answers, channel by channel
Source: Buffer's format data
On Instagram: Reels for reach, carousels for engagement

1. On Instagram, carousels get more engagement

In Buffer's data, Instagram carousels earn more engagement from the people they reach, while Reels reach more people.

Instagram carousels earned about 6.9% engagement against 3.3% for Reels in Buffer's data. A carousel holds up to 20 photos and videos. Instagram's help center notes that the first slide sets the shape of every slide after it.

2. On Instagram, Reels reach more people

Reels reach more people on Instagram, so make one when you want more people to see your post.

Instagram's head has named watch time, likes and sends as the top three ranking signals, with sends counting a little more for people who don't follow you yet. That comes from a secondary report of his remarks, not from an Instagram document.

3. On LinkedIn, post a document

Document carousels lead LinkedIn engagement, a median of about 21.77% against 7.35% for video in Buffer's 2026 data. LinkedIn's help pages say a document carousel can be up to 300 pages or 100 MB.

4. Facebook is least picky about format

Image, video and text posts on Facebook all land within about one percentage point of each other. Post the format you can make well, and spend the time on what the post says.

Pick by your goal

This week, pick the format that fits your goal on each channel. These are typical figures across many accounts, not a promise for yours. Try each and see which your own followers answer.

Where Rebbel fits

Rebbel drafts posts and carousels from your website, in your voice and colors, and shows you the post for each channel before it goes out. Nothing publishes without your OK.

A three-slide carousel in Rebbel, with the channels it publishes to beside it.

Who it's for

Owners deciding what kind of post to make this week.
Anyone who posts the same format everywhere and wonders whether it fits.

Set it up

Paste your website at rebbel.io and read the first post Rebbel drafts.
Look at the post for each channel before it goes out.
Connect a channel when you're ready. The steps are in the setup guides.

Good to know

The engagement numbers are typical figures from Buffer's data (LinkedIn's is a median), not a promise for any one account.
The Instagram ranking signals come from a secondary report.
Nothing publishes without your OK, on any plan.

Common questions

Do carousels or Reels do better on Instagram?

In Buffer's data, Instagram carousels earned about 6.9% engagement against 3.3% for Reels, while Reels reach more people.

How many slides can an Instagram carousel have?

Up to 20 photos and videos, and the first slide sets the shape of every slide after it.

Do carousels work on LinkedIn?

Document carousels lead LinkedIn engagement, a median of about 21.77% against 7.35% for video in Buffer's 2026 data.

What format works best on a Facebook Page?

Facebook is the least picky about format: image, video and text posts all land within about one percentage point of each other.

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