How many employees work at The Day & Zimmermann Gp?
The Day & Zimmermann Group, Inc. has approximately 10,082 total employees worldwide as of December 2025, according to Revelio Labs workforce intelligence data. The Day & Zimmermann Gp's total headcount has declined 4.2% from 10,519 employees in 2023 to 10,082 in 2025.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published June 2026
Is The Day & Zimmermann Gp hiring right now?
Yes, The Day & Zimmermann Gp is actively hiring. The Day & Zimmermann Gp had 502 active job postings in 2025, a 2.6% decline from 2024 — see job openings & hiring trends.
About The Day & Zimmermann Gp's Workforce
The Day & Zimmermann Group, Inc. is an Engineering and Construction Services company that employs 10,082 people worldwide as of December 2025. It is the 7th-largest by headcount among its peers. Founded in 1901, the company is headquartered in Philadelphia, Pennsylvania.
Duolingo's workforce has trended: it declined 4.2% from 2023 to 2025, and fell 2.0% year over year in 2025. The headcount reached a low of 10,082 in 2025 Q4 before recovering. The geographic mix shows 77.6% based in the United States, 5.2% in Iraq, and 2.7% in Uganda, with Uganda identified as its fastest-growing location.
Duolingo's largest groups by function are Finance and Operations (39.5%), Engineering (34.2%), and Sales and Marketing (26.3%). The average tenure across employees is 4.6 years. The average salary stands at $78,846, with regional medians of $81,000 in Northern America and $6,000 in Southern Asia.
Duolingo's hiring activity decreased, with postings down 2.6% in 2025 to 502 postings. New postings per month show a downward trend: 1,288 per month in 2023, 911 per month in 2024, and 693 per month in 2025. Employee sentiment is neutral but moving upward.
Sourced from Revelio Labs workforce data.
As of December 2025
The Day & Zimmermann Gp
workforce metrics
Headcount
10.1k
2.0% YoY
Avg. Salary
$78.8k
0.8% YoY
Tenure
4.6yr
0.1yr YoY
Growth Rate
-2.0%
1.5pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for The Day & Zimmermann Gp. Compare to peers, export the dataset, and access the full quarterly history.
- The Day & Zimmermann Gp had 10,082 employees in 2025, a 2.0% decline (-208) from 2024.
- The Day & Zimmermann Gp had 10,290 employees in 2024, a 0.6% decline (-58) from 2023.
- The Day & Zimmermann Gp had 10,348 employees in 2023, a 2.9% decline (-302) from 2022.
The Day & Zimmermann Gp's total workforce has declined from 10,519 employees in 2023 to 10,082 in 2025.
The Day & Zimmermann Group, Inc. — quarterly employee count (2023–2025)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2025 | Q4 | 10,082 | -208 | -2.0% |
| 2025 | Q3 | 10,176 | -260 | -2.5% |
| 2025 | Q2 | 10,144 | -251 | -2.4% |
| 2025 | Q1 | 10,253 | -198 | -1.9% |
| 2024 | Q4 | 10,290 | -58 | -0.6% |
| 2024 | Q3 | 10,436 | +42 | +0.4% |
| 2024 | Q2 | 10,395 | +89 | +0.9% |
| 2024 | Q1 | 10,451 | -68 | -0.6% |
| 2023 | Q4 | 10,348 | -302 | -2.9% |
| 2023 | Q3 | 10,394 | -311 | -2.9% |
| 2023 | Q2 | 10,306 | -363 | -3.5% |
| 2023 | Q1 | 10,519 | -247 | -2.3% |
Want to see The Day & Zimmermann Gp's complete headcount history back to 2017, including quarterly breakdowns?
The United States accounts for the largest share of The Day & Zimmermann Gp's global workforce with approximately 78% of total employees, followed by Iraq and Uganda.
The Day & Zimmermann Gp employees by country — 2025
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United States | 7,724 | 77.6% | -0.3% |
| Iraq | 520 | 5.2% | -0.7% |
| Uganda | 270 | 2.7% | +0.0% |
| India | 169 | 1.7% | -1.1% |
| Canada | 153 | 1.5% | -1.1% |
| United Kingdom | 94 | 0.9% | -8.2% |
| Kenya | 90 | 0.9% | -2.0% |
| Germany | 75 | 0.8% | -4.7% |
| Peru | 50 | 0.5% | +0.0% |
| France | 42 | 0.4% | -2.2% |
Drill into city-level data, hiring trends by region and historic geographic shifts
The Day & Zimmermann Gp's largest employee groups are Finance and Operations (39.5%), Engineering (34.2%), and Sales and Marketing (26.3%).
The Day & Zimmermann Gp employees by department — 2025
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 3,873 | 39.5% | -0.8% |
| Engineering | 3,351 | 34.2% | -0.7% |
| Sales and Marketing | 2,580 | 26.3% | -0.3% |
Compare The Day & Zimmermann Gp's department mix to industry peers.
The Day & Zimmermann Gp's average employee salary is $78,846 globally. Employees in Northern America receive the highest compensation. Pay is lowest in Southern Asia, at a median of $6,000.
The Day & Zimmermann Gp median employee salary by region — 2025 (USD)
| Region | Median Salary |
|---|---|
| Northern America | $81,000 |
| Western Europe | $75,000 |
| Northern Europe | $65,000 |
| Pacific Islands | $47,000 |
| Central and Western Asia | $39,000 |
| Southern Europe | $36,000 |
| Eastern Asia | $33,000 |
| Eastern Europe | $31,000 |
| Central America and the Caribbean | $27,000 |
| Northern Africa | $19,000 |
| Arab States | $16,000 |
| Southern America | $16,000 |
| South-Eastern Asia | $10,000 |
| Sub-Saharan Africa | $8,000 |
| Southern Asia | $6,000 |
Unlock salary by role, level, and city — and compare to The Day & Zimmermann Gp's industry peers.
- The Day & Zimmermann Gp had 502 active job postings in 2025, a 2.6% decline (-13) from 2024.
- The Day & Zimmermann Gp had 515 active job postings in 2024, a 27.3% decline (-163) from 2023.
- The Day & Zimmermann Gp had 678 active job postings in 2023, a 62.8% decline from 2022.
- Hiring velocity in 2025: 693 new roles/month, down from 911 in 2024 and 1,288 in 2023. New metric
The Day & Zimmermann Gp's hiring is slowing: active job postings fell 2.6% in 2025 to 502, with new postings per month cooling from 1,288 in 2023 to 693 in 2025.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Revelio Labs tracks employee sentiment across The Day & Zimmermann Gp's workforce based on public professional data. Overall sentiment is neutral and has improved year over year in 2025.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Similar Engineering and Construction Services Companies by Employee Count
- How fast is The Day & Zimmermann Gp growing?
- In 2025, The Day & Zimmermann Gp's headcount shrank 2.0% to 10,082 employees, down from 10,290 in 2024.
- Where are The Day & Zimmermann Gp employees located?
- Most The Day & Zimmermann Gp employees are based in the United States (77.6% of headcount), followed by Iraq and Uganda.
- What is the average salary at The Day & Zimmermann Gp?
- The average employee salary at The Day & Zimmermann Gp is approximately $78.8k per year.
- How many people does The Day & Zimmermann Gp hire per year?
- In 2025, The Day & Zimmermann Gp opened roughly 8,316 new roles — about 693 per month.
- When was The Day & Zimmermann Gp founded and where is it headquartered?
- The Day & Zimmermann Gp was founded in 1901 and is headquartered in Philadelphia, Pennsylvania.
See something that doesn't look right? Reach out and our team will review it.