Email marketing worldwide: market share ranking

Newsletter sign-ups and email platforms.

#	Technology	Global	United Kingdom	Netherlands	Italy	Spain	Japan	Latin America
1	Mailchimp	1%	3.9%	2.7%	1.7%	1.6%	0.2%	1%
2	Klaviyo	0.6%	4.7%	2.7%	1.8%	2%	0.4%	0.9%
3	OptinMonster	0.3%	0.3%	0.4%	0.2%	0.1%	<0.1%	<0.1%
4	Brevo (Sendinblue)	0.2%	0.4%	0.5%	1.9%	1.2%	<0.1%	0.4%
5	Omnisend	0.1%	0.4%	0.1%	0.2%	0.1%	0.2%	0.2%
6	MailerLite	0.1%	0.2%	0.2%	<0.1%	0.3%	<0.1%	<0.1%
7	ActiveCampaign	<0.1%	<0.1%	0.3%	0.2%	0.3%	0%	0.2%
8	Kit (ConvertKit)	<0.1%	<0.1%	<0.1%	0%	0%	0%	0%
9	Sumo	<0.1%	<0.1%	0%	<0.1%	0%	0%	0%
10	Privy	<0.1%	<0.1%	0%	0%	0%	<0.1%	<0.1%
11	GetResponse	<0.1%	<0.1%	0%	<0.1%	0%	0%	0%

By site popularity

Share of measured sites in each Tranco popularity band that use the technology: the top 1,000, 10,000 and 100,000 sites and the whole top million.

#	Technology	Top 1K	Top 10K	Top 100K
1	Mailchimp	0.5%	0.7%	1%
2	Klaviyo	0.3%	0.2%	0.6%
3	OptinMonster	0%	0.2%	0.3%
4	Omnisend	0.3%	<0.1%	0.1%
5	Brevo (Sendinblue)	0%	<0.1%	0.2%
6	MailerLite	0%	<0.1%	0.1%
7	ActiveCampaign	0%	<0.1%	<0.1%
8	Kit (ConvertKit)	0%	<0.1%	<0.1%
9	Sumo	0%	<0.1%	<0.1%
10	Privy	0%	0%	<0.1%
	Sites measured	582	6,674	68,167

Our crawler: 68,167 sites · Global · updated Nov 13, 2026 · Methodology