Google Cloud Spanner VS PostgreSQL
As of 30 October 2026, PostgreSQL is named by 9,372 companies and Google Cloud Spanner by 112; Google Cloud Spanner skews to companies under 200 people (35% vs 62%), PostgreSQL to companies over 1,000 (16% vs 37%).
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: Google Cloud Spanner'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.
- Google Cloud Spanner: 2–200 employees
- 35%
- PostgreSQL: 2–200 employees
- 62%
- Google Cloud Spanner: 1,000+ employees
- 37%
- PostgreSQL: 1,000+ employees
- 16%
- Postings per company, 90 days
- 2.5 · 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 | Google Cloud Spanner | share | PostgreSQL | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 2 | 2% | 213 | 2% | even |
| 2-10 employees | 2 | 2% | 1,163 | 12% | PostgreSQL |
| 11-50 employees | 12 | 11% | 2,451 | 26% | PostgreSQL |
| 51-200 employees | 25 | 22% | 2,181 | 23% | even |
| 201-500 employees | 21 | 19% | 1,144 | 12% | Google Cloud Spanner |
| 501-1000 employees | 9 | 8% | 681 | 7% | even |
| 1001-5000 employees | 15 | 13% | 836 | 9% | Google Cloud Spanner |
| 5001-10000 employees | 8 | 7% | 211 | 2% | Google Cloud Spanner |
| 10,001+ employees | 18 | 16% | 492 | 5% | Google Cloud Spanner |
| Segment | Google Cloud Spanner | share | PostgreSQL | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 68 | 61% | 5,543 | 59% | even |
| Business & finance services | 21 | 19% | 1,681 | 18% | even |
| Consumer services & leisure | 5 | 4% | 217 | 2% | Google Cloud Spanner |
| Manufacturing & industry | 4 | 4% | 550 | 6% | PostgreSQL |
| Commerce & trade | 3 | 3% | 181 | 2% | even |
| Public, community & associations | 3 | 3% | 208 | 2% | even |
| Media & content | 3 | 3% | 274 | 3% | even |
| Transport, logistics & rental | 2 | 2% | 114 | 1% | even |
| Automotive | 1 | 1% | 70 | 1% | even |
| Property & construction | 1 | 1% | 121 | 1% | even |
| Utilities & infrastructure | 1 | 1% | 206 | 2% | even |
| Health care | – | – | 129 | 1% | outside top 12 |
| Segment | Google Cloud Spanner | share | PostgreSQL | share | Leans |
|---|---|---|---|---|---|
| United States | 80 | 71% | 5,189 | 55% | Google Cloud Spanner |
| United Kingdom | 4 | 4% | 617 | 7% | PostgreSQL |
| Singapore | 4 | 4% | – | – | outside top 12 |
| Germany | 3 | 3% | 643 | 7% | PostgreSQL |
| India | 3 | 3% | 404 | 4% | even |
| Japan | 3 | 3% | – | – | outside top 12 |
| Poland | 3 | 3% | 161 | 2% | even |
| Brazil | 2 | 2% | 98 | 1% | even |
| Australia | 1 | 1% | 110 | 1% | even |
| Canada | 1 | 1% | 216 | 2% | even |
| Colombia | 1 | 1% | – | – | outside top 12 |
| Denmark | 1 | 1% | – | – | outside top 12 |
| France | – | – | 337 | 4% | outside top 12 |
| Italy | – | – | 146 | 2% | outside top 12 |
| Netherlands | – | – | 127 | 1% | outside top 12 |
| Switzerland | – | – | 90 | 1% | outside top 12 |
| Segment | Google Cloud Spanner | share | PostgreSQL | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 183 | 47% | 25,755 | 64% | PostgreSQL |
| Data & AI | 76 | 20% | 4,759 | 12% | Google Cloud Spanner |
| IT operations & business systems | 57 | 15% | 3,897 | 10% | Google Cloud Spanner |
| Sales | 18 | 5% | 210 | 1% | Google Cloud Spanner |
| Engineering (non-software) | 2 | 1% | 654 | 2% | even |
| Logistics warehouse and transport | 2 | 1% | – | – | outside top 12 |
| Product, program & project management | 2 | 1% | 374 | 1% | even |
| Customer service & success | 1 | 0% | 256 | 1% | even |
| General management & consulting | 1 | 0% | 50 | 0% | even |
| Unclassified | 1 | 0% | 82 | 0% | even |
| Finance & accounting | – | – | 75 | 0% | outside top 12 |
| Quality, safety & environment | – | – | 75 | 0% | outside top 12 |
| Marketing & communications | – | – | 58 | 0% | outside top 12 |
The companies behind each column
Companies using Google Cloud Spanner →
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 Google Cloud Spanner by 112; 68 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/google-cloud-spanner-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.
Google Cloud Spanner vs PostgreSQL: questions
Which is more used, Google Cloud Spanner or PostgreSQL?
By companies naming it in their own job postings, PostgreSQL (9,372) over Google Cloud Spanner (112). By website-and-DNS footprint, PostgreSQL (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Google Cloud Spanner?
35% of Google Cloud Spanner companies have 2 to 200 employees, against 62% for PostgreSQL. 37% of Google Cloud Spanner companies have over 1,000 employees, against 16% for PostgreSQL.
Do companies run both?
68 companies name both in their postings, usually Google Cloud Spanner 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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