Interview Questions › Guesstimate

Estimate annual e-commerce shipments globally

Estimate the total number of parcels and packages shipped globally through e-commerce transactions in a single calendar year.

Context

Global e-commerce is dominated by China (Taobao, Pinduoduo, JD), North America (Amazon, Walmart), Europe, and emerging markets.

Clarifying questions to ask first

• Are we counting B2C and C2C e-commerce parcels, or B2B freight containers? (E-commerce parcels).
• Does a single multi-item order count as one parcel if shipped in one box? (Yes, physical packages shipped).

How to approach it

1. Top-down by Global Online Shoppers (~2.5 billion digital buyers globally)
2. Segment by Regional Parcel Velocity: China (~110B parcels/year), US (~22B parcels/year), Europe (~15B), Rest of World (~20B)
3. Calculate average annual parcels received per online shopper across developed vs developing economies
4. Sanity check against courier volume stats (Pitney Bowes Parcel Shipping Index: ~160-170 Billion parcels)

Framework: Global E-Commerce Parcels = China Volume + US Volume + Europe Volume + Rest of World (LatAm/SE Asia/India)

Sample answer

• China (massive express parcel density): ~110 Billion parcels/year
• United States (Amazon, UPS, FedEx, USPS): ~22 Billion parcels/year
• Europe (UK, Germany, France): ~16 Billion parcels/year
• Rest of World (India, SE Asia, LatAm, Middle East): ~22 Billion parcels/year

1. Global Total = 110B + 22B + 16B + 22B = ~170 Billion parcels shipped annually
2. Daily equivalent = ~465 Million parcels shipped per day worldwide

Executive estimate: ~165 to 175 Billion e-commerce parcels shipped globally each year (~65% originating in China; ~465M daily packages).

What interviewers look for

• Global Digital Shopper Base
• Regional Market Decomposition (China vs US vs Europe)
• Parcels per Shopper per Year
• Global Courier Industry Sanity Check