The Digital Dominance Podcast

Guesstimates- Example 7- Estimate the Number of Zoom Meetings in a Week Worldwide


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Let’s break it down with a top-down estimation:


🌍 Global Workforce: ~3 billion people

🏢 Eligible Zoom Users:

• 60% work in roles not requiring virtual meetings (e.g., government, construction)

• Remaining 40% = 1.2 billion people likely working in corporate/office environments


💻 Remote/Virtual Meeting Need:

• Assume 70% of these 1.2B need virtual meetings (rest meet in person) → 840 million people


👥 User Segments:

• Power Users (30%): 6 calls/day → 1.5B calls

• Regular Users (60%): 2 calls/day → 1B calls

• Non-users (10%): 0 calls

📞 Total Daily Calls: ~2.5 billion


🧩 Market Share Assumption:

4 major platforms dominate the market: Zoom, Google Meet, MS Teams, Webex

• Each holds ~23% of total calls

• Zoom’s share: 2.5B * 23% ≈ 575 million calls/day


🗓️ Weekly Estimate (5-day work week):

575M * 5 = ~2.8 billion Zoom meetings/week



✅ Final Estimate: ~2.8 billion Zoom meetings every week


#ProductManagement #Guesstimates #EstimationFramework #Zoom #RemoteWork #CaseInterview #BusinessStrategy #TechTrends #MarketAnalysis #ProblemSolving #ConsultingPrep #PMInterview #TopDownEstimation

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The Digital Dominance PodcastBy Anoop Suresh