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Fleetora · first roles in DEIBM Db2 VS PostgreSQL_
As of 30 October 2026, PostgreSQL is named by 9,372 companies and IBM Db2 by 767; IBM Db2 skews to companies under 200 people (37% vs 62%), PostgreSQL to companies over 1,000 (16% vs 40%).
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: IBM Db2's script and mail records show on hundreds of thousands of small sites, PostgreSQL rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- IBM Db2: 2–200 employees
- 37%
- PostgreSQL: 2–200 employees
- 62%
- IBM Db2: 1,000+ employees
- 40%
- PostgreSQL: 1,000+ employees
- 16%
- Postings per company, 90 days
- 4.4 · 3.0
- 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 | IBM Db2 | share | PostgreSQL | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 7 | 1% | 213 | 2% | even |
| 2-10 employees | 47 | 6% | 1,163 | 12% | PostgreSQL |
| 11-50 employees | 113 | 15% | 2,451 | 26% | PostgreSQL |
| 51-200 employees | 127 | 17% | 2,181 | 23% | PostgreSQL |
| 201-500 employees | 95 | 12% | 1,144 | 12% | even |
| 501-1000 employees | 73 | 10% | 681 | 7% | IBM Db2 |
| 1001-5000 employees | 123 | 16% | 836 | 9% | IBM Db2 |
| 5001-10000 employees | 49 | 6% | 211 | 2% | IBM Db2 |
| 10,001+ employees | 133 | 17% | 492 | 5% | IBM Db2 |
| Segment | IBM Db2 | share | PostgreSQL | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 408 | 53% | 5,543 | 59% | PostgreSQL |
| Business & finance services | 195 | 25% | 1,681 | 18% | IBM Db2 |
| Manufacturing & industry | 32 | 4% | 550 | 6% | even |
| Commerce & trade | 25 | 3% | 181 | 2% | even |
| Media & content | 19 | 2% | 274 | 3% | even |
| Transport, logistics & rental | 15 | 2% | 114 | 1% | even |
| Automotive | 13 | 2% | 70 | 1% | even |
| Health care | 13 | 2% | 129 | 1% | even |
| Public, community & associations | 12 | 2% | 208 | 2% | even |
| Consumer services & leisure | 12 | 2% | 217 | 2% | even |
| Utilities & infrastructure | 12 | 2% | 206 | 2% | even |
| Property & construction | 8 | 1% | 121 | 1% | even |
| Segment | IBM Db2 | share | PostgreSQL | share | Leans |
|---|---|---|---|---|---|
| United States | 435 | 57% | 5,189 | 55% | even |
| Germany | 53 | 7% | 643 | 7% | even |
| United Kingdom | 39 | 5% | 617 | 7% | even |
| France | 37 | 5% | 337 | 4% | even |
| Canada | 30 | 4% | 216 | 2% | even |
| India | 29 | 4% | 404 | 4% | even |
| Italy | 17 | 2% | 146 | 2% | even |
| Spain | 12 | 2% | – | – | outside top 12 |
| Australia | 9 | 1% | 110 | 1% | even |
| Switzerland | 8 | 1% | 90 | 1% | even |
| Singapore | 8 | 1% | – | – | outside top 12 |
| Brazil | 7 | 1% | 98 | 1% | even |
| Poland | – | – | 161 | 2% | outside top 12 |
| Netherlands | – | – | 127 | 1% | outside top 12 |
| Segment | IBM Db2 | share | PostgreSQL | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 2,378 | 42% | 25,755 | 64% | PostgreSQL |
| IT operations & business systems | 1,207 | 21% | 3,897 | 10% | IBM Db2 |
| Data & AI | 824 | 15% | 4,759 | 12% | IBM Db2 |
| Product, program & project management | 80 | 1% | 374 | 1% | even |
| Engineering (non-software) | 59 | 1% | 654 | 2% | even |
| General management & consulting | 38 | 1% | 50 | 0% | even |
| Customer service & success | 33 | 1% | 256 | 1% | even |
| Sales | 26 | 0% | 210 | 1% | even |
| Finance & accounting | 19 | 0% | 75 | 0% | even |
| Unclassified | 19 | 0% | 82 | 0% | even |
| logistics warehouse and transport | 14 | 0% | – | – | outside top 12 |
| Quality, safety & environment | 10 | 0% | 75 | 0% | even |
| Marketing & communications | – | – | 58 | 0% | outside top 12 |
The companies behind each column
Companies using IBM Db2 →
Companies using PostgreSQL →
relational databases ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
PostgreSQL is named by 9,372 companies in job postings and IBM Db2 by 767; 360 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/ibm-db2-vs-postgresql)
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.
IBM Db2 vs PostgreSQL: questions
Which is more used, IBM Db2 or PostgreSQL?
By companies naming it in their own job postings, PostgreSQL (9,372) over IBM Db2 (767). By website-and-DNS footprint, PostgreSQL (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses IBM Db2?
37% of IBM Db2 companies have 2 to 200 employees, against 62% for PostgreSQL. 40% of IBM Db2 companies have over 1,000 employees, against 16% for PostgreSQL.
Do companies run both?
360 companies name both in their postings, usually IBM Db2 in marketing and PostgreSQL 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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