The Loudest Voice
What is the loudest voice?
Key facts
The loudest voice is Annalisa Flanagan’s shouted voice, which Guinness World Records recognizes as the loudest shout by an individual (female), measured at 121.7 dBC.
Context
The loudest voice in the sources is Annalisa Flanagan’s shouted voice, which Guinness World Records describes as the loudest shout by an individual (female), measured by the greatest sound level reached by shouting a word [2]. The record was measured at 121.7 dBC [2]. News coverage says Flanagan’s shout remained the record for over two decades [2]. A later report says Joseph McGrail-Bateup surpassed the overall shout record at 122.4 decibels [1].
Documented claims
- Guinness World Records defines this record for an individual female only. [2]
- The record is measured as C-weighted Peak Sound Pressure Level to the nearest 0.01 dBC. [2]
- News coverage says Flanagan’s shout remained the record for over two decades. [2]
- A later report says Joseph McGrail-Bateup surpassed the overall shout record at 122.4 decibels. [1]
Questions and answers
Who holds the record for the loudest voice?
Annalisa Flanagan holds the Guinness World Record for the loudest shout by an individual (female), measured at 121.7 dBC [2].
How is the loudest voice measured?
The record is measured as C-weighted Peak Sound Pressure Level to the nearest 0.01 dBC [2].
Sources
- Louder than a rock concert: Australian town crier sets astonishing world record — firstpost.com (retrieved August 3, 2026)
- Loudest shout by an individual (female) — guinnessworldrecords.com (retrieved August 3, 2026)