Amazon DocumentDB VS Azure Cosmos DB
As of 30 October 2026, Azure Cosmos DB is named by 617 companies and Amazon DocumentDB by 109; Amazon DocumentDB skews to companies under 200 people (36% vs 34%), Azure Cosmos DB to companies over 1,000 (44% vs 39%).
As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Amazon DocumentDB's script and mail records show on hundreds of thousands of small sites, Azure Cosmos DB rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Amazon DocumentDB: 2–200 employees
- 36%
- Azure Cosmos DB: 2–200 employees
- 34%
- Amazon DocumentDB: 1,000+ employees
- 39%
- Azure Cosmos DB: 1,000+ employees
- 44%
- Postings per company, 90 days
- 2.1 · 3.5
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Amazon DocumentDB | share | Azure Cosmos DB | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 1 | 1% | 11 | 2% | even |
| 2-10 employees | 6 | 6% | 35 | 6% | even |
| 11-50 employees | 9 | 8% | 75 | 12% | Azure Cosmos DB |
| 51-200 employees | 24 | 22% | 102 | 17% | Amazon DocumentDB |
| 201-500 employees | 13 | 12% | 79 | 13% | even |
| 501-1000 employees | 14 | 13% | 46 | 7% | Amazon DocumentDB |
| 1001-5000 employees | 18 | 17% | 107 | 17% | even |
| 5001-10000 employees | 8 | 7% | 41 | 7% | even |
| 10,001+ employees | 16 | 15% | 121 | 20% | Azure Cosmos DB |
| Segment | Amazon DocumentDB | share | Azure Cosmos DB | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 62 | 57% | 304 | 49% | Amazon DocumentDB |
| Business & finance services | 29 | 27% | 127 | 21% | Amazon DocumentDB |
| Manufacturing & industry | 4 | 4% | 58 | 9% | Azure Cosmos DB |
| Automotive | 3 | 3% | 6 | 1% | even |
| Utilities & infrastructure | 3 | 3% | 10 | 2% | even |
| Public, community & associations | 2 | 2% | 15 | 2% | even |
| Media & content | 2 | 2% | 8 | 1% | even |
| Transport, logistics & rental | 2 | 2% | 14 | 2% | even |
| Commerce & trade | 1 | 1% | 22 | 4% | Azure Cosmos DB |
| Consumer services & leisure | 1 | 1% | 16 | 3% | even |
| Health care | – | – | 23 | 4% | outside top 12 |
| Property & construction | – | – | 8 | 1% | outside top 12 |
| Segment | Amazon DocumentDB | share | Azure Cosmos DB | share | Leans |
|---|---|---|---|---|---|
| United States | 73 | 67% | 353 | 57% | Amazon DocumentDB |
| United Kingdom | 8 | 7% | 68 | 11% | Azure Cosmos DB |
| Canada | 6 | 6% | 20 | 3% | Amazon DocumentDB |
| Germany | 3 | 3% | 30 | 5% | Azure Cosmos DB |
| Brazil | 2 | 2% | – | – | outside top 12 |
| Spain | 2 | 2% | – | – | outside top 12 |
| Singapore | 2 | 2% | 7 | 1% | even |
| United Arab Emirates | 1 | 1% | – | – | outside top 12 |
| Australia | 1 | 1% | 10 | 2% | even |
| Switzerland | 1 | 1% | 6 | 1% | even |
| Czechia | 1 | 1% | – | – | outside top 12 |
| India | 1 | 1% | 21 | 3% | Azure Cosmos DB |
| France | – | – | 17 | 3% | outside top 12 |
| Sweden | – | – | 10 | 2% | outside top 12 |
| Netherlands | – | – | 7 | 1% | outside top 12 |
| Belgium | – | – | 6 | 1% | outside top 12 |
| Segment | Amazon DocumentDB | share | Azure Cosmos DB | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 204 | 58% | 1,335 | 45% | Amazon DocumentDB |
| IT operations & business systems | 57 | 16% | 258 | 9% | Amazon DocumentDB |
| Data & AI | 35 | 10% | 585 | 20% | Azure Cosmos DB |
| Sales | 10 | 3% | 45 | 2% | even |
| Design & UX | 1 | 0% | 9 | 0% | even |
| Engineering (non-software) | 1 | 0% | 129 | 4% | Azure Cosmos DB |
| Finance & accounting | 1 | 0% | 5 | 0% | even |
| Product, program & project management | – | – | 46 | 2% | outside top 12 |
| Quality, safety & environment | – | – | 21 | 1% | outside top 12 |
| Customer service & success | – | – | 12 | 0% | outside top 12 |
| Research and science | – | – | 7 | 0% | outside top 12 |
| Business development & strategy | – | – | 6 | 0% | outside top 12 |
The companies behind each column
Companies using Amazon DocumentDB →
Companies using Azure Cosmos DB →
nosql document wide column ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Azure Cosmos DB is named by 617 companies in job postings and Amazon DocumentDB by 109; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/amazon-documentdb-vs-azure-cosmos-db)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Amazon DocumentDB vs Azure Cosmos DB: questions
Which is more used, Amazon DocumentDB or Azure Cosmos DB?
By companies naming it in their own job postings, Azure Cosmos DB (617) over Amazon DocumentDB (109). By website-and-DNS footprint, Azure Cosmos DB (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Amazon DocumentDB?
36% of Amazon DocumentDB companies have 2 to 200 employees, against 34% for Azure Cosmos DB. 39% of Amazon DocumentDB companies have over 1,000 employees, against 44% for Azure Cosmos DB.
Do companies run both?
0 companies name both in their postings, usually Amazon DocumentDB in marketing and Azure Cosmos DB in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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