| Total voice calls made daily (all) | ~13.5B calls/day | ~2.9B/day | ~8-9B/day | Several B/day (e.g., DE ~0.85B/day, UK ~0.64B/day) |
| Business voice calls daily | >1B/day | ~270M/day ( ~100B/year) | Hundreds of M/day | Hundreds of M/day |
| Incoming business calls daily | ~65% of business calls (~650M/day) | ~175M/day | ~65% of India’s business calls | ~65% ratio |
| Outgoing business calls daily | ~35% of business calls (~350M/day) | ~95M/day | High outbound (93% spam/telemarketing) | ~35% ratio |
| Number of call centers | ~165,000+ | ~32,000 | ~2,300+ | Tens of thousands across EU |
| Number of call center employees | ~18M | ~3M | 1M+ | Several M across EU |
| Cost of running call center (OpEx) | 60-75% labor; 15-25% tech | $50-60K/agent/year | $12-30K/agent/year | $40-55K/agent/year |
| Cost of voice calling (telco) | 0.02−0.10/min outbound avg | 0.02−0.05/min | < $0.01/min (unlimited plans) | 0.02−0.05/min |
| Blended cost per call | 2.70−5.60 per handled call | Similar; higher for complex | Lower end (offshore) | Similar to U.S. |
| CapEx to set up large call center | 1−5M+ (facilities & equipment) | Higher end | Lower end | Mid-high |
| OpEx for large call center | Tens of M/year (500 seats) | ~$25-30M/year (500 agents) | < $10M/year (500 agents) | $20M+/year |