It's perfectly normal for your voice not to have dropped by 13, as puberty and voice changes happen at different rates for everyone, often starting later in the mid-teens and continuing until the late teens or even early twenties for full stabilization. Genetics play a big role in timing, and some people's voices simply change later, but if there are other signs of delayed puberty (like no growth, body hair, etc.) by age 17, it's worth seeing a doctor.
In most cases, the voice begins to change between the ages of 12 and 13. The voice change in boys occurs between the ages of 15 and 18. If your son's voice hasn't changed, that's a red flag! A boy must have a deep male voice by the age of 18.
Vocal Range
Taylor Swift has a soprano voice, which means her singing is in a higher range for female singers. Swift's vocal range spans from C#3 to G5, allowing her to both sing in a comfortable lower register and effortlessly reach higher notes.
As the body goes through puberty, the larynx grows larger and thicker. It happens in both boys and girls, but the change is more evident in boys. Girls' voices only deepen by a couple of tones and the change is barely noticeable. Boys' voices, however, start to get significantly deeper.
The countertenor is the rarest of all voice types. The countertenor was not originally an operatic voice type as historically it was the castrati who would sing the female operatic roles in an age when it was not proper for women to sing in the opera.
Understanding the Five Tanner Stages of Puberty
Teenage girls between about 10 and 16 go through adolescent voice change. They can get frustrated when their voice doesn't sound exactly the same as their favourite pop stars.
Between the ages of 18 and 21, your voice stabilizes because the vocal folds and larynx have reached their full growth. While there can be some changes into your 30s, most people's voices are finished with physical changes due to hormones by the age of 21 or so.
Taylor was very academically successful, she had a 4.0 GPA and graduated high school a year early. Taylor's father, Scott Kingsley was a stock broker who taught Taylor how to run a business when she was 3 years old.
Conclusions: Final height is influenced by both height and the age of onset of the PGS in normal maturing children. A normal but early puberty exerts a negative effect on final height. A delayed PGS exerts a positive effect on final height.
Hormones cause a boy's voice box to grow and move lower in his throat during puberty. While this is happening their voice might be squeaky one minute and low the next. This is often referred to as someone's voice breaking. It doesn't hurt, but it can make a child feel self-conscious or embarrassed.
In Stage 3, physical changes speed up. Between the ages of 9 and 14: Breasts continue budding. Armpit (axillary) hair begins to grow and pubic hair continues to grow.
Sometimes the voice lowers at stage 3 for females dropping to B3 or C4 for some the change in voice mostly happens at stage 4 including cracking and breaking for girls and same for boys.
As the body goes through puberty, the larynx grows larger and thicker. It happens in both boys and girls, but the change is more evident in boys. Girls' voices only deepen by a couple of tones and the change is barely noticeable. Boys' voices, however, start to get significantly deeper.
Men's voices often deepen up to an octave, while women's voices usually move about three tones lower. After puberty and well into older adulthood, some people's voices may change, but not everyone's. Men's voices tend to go up in pitch. Women's voices tend to go down.
During Puberty Girls Grow Fast and Early
Unlike boys, their fastest rate of growth occurs early in puberty. They also gain more fat than boys in preparation for their menstrual cycle. They go from gaining about 5 pounds a year before puberty, to 12-23 pounds during puberty as shown below.
Check these ladies out. Contraltos are arguably the rarest of female voice types and they possess a tone so dark they often give the men a run for their money.
Also, your facial bones begin to grow. Cavities in the sinuses, the nose, and the back of the throat grow bigger, creating more space in the face that gives your voice more room to echo. All of these factors cause your voice to get deeper.