Best Substack Niches in 2026

Ranked by opportunity score across 16,610 publications.

All 27 Topics Ranked by Opportunity

Rank	Category	Opportunity Score	Competition	Avg Subscribers	Median Price	30d Velocity
1	Technology	65.5	0.20x	36.9K	$10/mo	+53.7%
2	Crypto	63.0	0.58x	14.1K	$10/mo	+34.9%
3	Business	52.4	0.27x	34.5K	$10/mo	+58.6%
4	Comics	44.1	3.23x	5.5K	$5/mo	+22.8%
5	U.S. Politics	40.3	0.18x	83.7K	$7/mo	+16.9%

6	Finance	38.5	0.36x	33.4K	$30/mo	+25.8%
7	Education	37.9	0.72x	14.3K	$8/mo	+26.9%
8	Science	35.8	1.08x	12.3K	$7/mo	+18.5%
9	Philosophy	30.6	0.98x	13.1K	$8/mo	+21.2%
10	Fiction	27.2	2.48x	5.5K	$6/mo	+20.0%
11	Humor	27.1	2.60x	8.4K	$5/mo	+16.8%
12	News	25.5	0.54x	26.9K	$7/mo	+84.0%
13	Culture	25.4	0.47x	30.9K	$6/mo	+33.9%
14	Art & Illustration	24.9	1.52x	7.7K	$6/mo	+34.1%
15	Food & Drink	24.2	0.49x	29.9K	$6/mo	+26.2%
16	Design	21.7	1.48x	11.1K	$6/mo	+23.4%
17	Faith & Spirituality	21.2	0.74x	19.5K	$7/mo	+18.2%
18	Fashion & Beauty	20.1	1.02x	14.7K	$6/mo	+13.6%
19	Parenting	19.2	2.13x	10.4K	$6/mo	+19.0%
20	Health & Wellness	18.5	0.53x	27.3K	$8/mo	+21.6%
21	Literature	17.3	0.95x	13.8K	$6/mo	+29.7%
22	Music	17.2	1.59x	9.0K	$5/mo	+21.5%
23	Sports	16.1	1.30x	10.3K	$6/mo	+19.0%
24	Climate & Environment	15.8	2.01x	7.5K	$6/mo	+20.9%
25	Global Politics	14.4	0.87x	16.4K	$6/mo	+14.6%
26	Travel	11.5	1.75x	8.9K	$6/mo	+19.1%
27	History	8.1	1.70x	10.5K	$5/mo	+18.2%

See all 27 topics ranked with full scores.

Opportunity scores · Competition index · Revenue data

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Rankings update as new publications launch and pricing shifts.

Technology leads with an Opportunity Score of 65.5/100, driven by 26.3M total subscribers and a competition index of just 0.20x. Crypto and Business round out the top three, both offering strong demand with relatively low paid-plan saturation.

How We Ranked 16,610 Substack Publications

The Opportunity Score (0 to 100) combines three normalized metrics: audience demand (40%), measuring total free subscribers in a niche; supply scarcity (30%), which inversely scores the number of existing paid publications; and monetization gap (30%), capturing the percentage of publications that have not yet enabled paid plans. Higher scores mean more readers, fewer paid competitors, and more room to monetize.

Full methodology details available on the methodology page.

Substack Niche Competition Scores Explained

The competition index measures paid publication density relative to the median across all niches. A score below 1.0x means the niche is underserved (fewer paid competitors per subscriber than average). A score above 1.0x means the niche is crowded.

Frequently Asked Questions

What is the best Substack niche in 2026?

Based on our analysis, Technology ranks #1 with an Opportunity Score of 65.5/100. It has 26.3M total subscribers, a competition index of 0.20x, and 303 publications with paid plans. The high opportunity score reflects strong audience demand with relatively low paid competition.

What are the most profitable Substack niches?

By estimated monthly revenue, the top three niches are Finance ($23.3M), U.S. Politics ($12.2M), News ($9.0M). Revenue depends on both subscriber volume and the percentage of publications that monetize through paid plans.

How competitive are Substack niches?

Competition varies widely. The least competitive niche is U.S. Politics at 0.18x, while the most competitive is Comics at 3.23x. A score below 1.0x means the niche is less competitive than average. Most niches cluster between 0.5x and 2.0x.

How do I pick a Substack niche?

Look for niches where the Opportunity Score is high (strong demand, low supply of paid competitors, and a monetization gap). Cross-reference with the competition index to find categories where you can stand out. Then check median pricing to ensure the niche supports the revenue model you want. NicheIndex gives you all three data points for 27 topics.

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