Key Takeaways
- $4.5 billion global speech analytics market in 2023 (market research estimate)
- $1.6 billion global AI voice assistant market in 2023 (market research estimate)
- The US federal government awarded $2.1 billion in contracts related to AI-related services in FY2023 (USAspending dataset filterable total)
- OpenAI’s Whisper model had 680k hours of labeled audio used for training as described in a published model card/paper
- The same 2023 evaluation reported a character error rate (CER) of 0.9% for the best-performing model on the benchmark dataset (benchmark metric)
- In a peer-reviewed study, the reported average ROUGE-1 score for speech-to-summary outputs was 38.2% (quantitative NLP metric reported in the paper)
- 65% of consumers prefer to use digital channels rather than contacting a person for customer support (global CX survey)
- 3.6 billion people worldwide use social media as of 2020; voice-enabled content and live audio are part of the growing audio ecosystem (DataReportal)
- UK Ofcom reported that 67% of adults used voice assistants in 2023 (voice-related adoption)
- Call recording and transcription features are commonly included in contact center platforms; AWS Transcribe supports 100+ languages for speech recognition input (supported languages count)
- Azure Speech-to-text supports 100+ languages (supported languages count) according to Microsoft documentation
- Google Cloud Speech-to-Text supports 130+ languages and variants (supported languages count) in documentation
- The U.S. Federal Bureau of Investigation (FBI) reported $10.1 billion in losses from Internet Crime Complaint Center (IC3) scams in 2023 (voice scams commonly routed through online/social engineering)
- In the U.S., average hourly earnings for 'Customer Service Representatives' were $18.76 in May 2023 (BLS OES, proxy for labor-cost relevance in call handling)
Speech and voice AI are booming, with rapid adoption in contact centers driven by analytics growth and strict regulation.
Related reading
01 · Category
Market Size9 stats
Market Size Interpretation
02 · Category
Performance Metrics5 stats
Performance Metrics Interpretation
03 · Category
User Adoption4 stats
User Adoption Interpretation
More related reading
04 · Category
Industry Trends7 stats
Industry Trends Interpretation
05 · Category
Cost Analysis2 stats
Cost Analysis Interpretation
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
Priya Chandrasekaran. (2026, February 13). Speaking Industry Statistics. Gitnux. https://gitnux.org/speaking-industry-statistics
Priya Chandrasekaran. "Speaking Industry Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/speaking-industry-statistics.
Priya Chandrasekaran. 2026. "Speaking Industry Statistics." Gitnux. https://gitnux.org/speaking-industry-statistics.
Sources & references
27 datasets cited across this report · attribution is report-level
+8 additional datasets cited (not shown individually)

