What is the most commonly used letter in the alphabet?

In English, it’s E.

And according to Wikipedia, the letter ‘E’ is used this often:

Letter Frequency

A 8.17%
B 1.49%
C 2.78%
D 4.25%
E 12.70%
F 2.23%
G 2.02%
H 6.09%
I 6.97%
J 0.15%
K 0.77%
L 4.03%
M 2.41%
N 6.75%
O 7.51%
P 1.93%
Q 0.10%
R 5.99%
S 6.33%
T 9.06%
U 2.76%
V 0.98%
W 2.36%
X 0.15%
Y 1.97%
Z 0.07%

But for some people, it’s I.

Here’s an interesting analysis. Scroll down a little for letter frequency.

I used to have a keystroke counter on my computer my top three letters were E.A.T. i think its a message…

Cryptogram solvers remember ‘ETAOIN SHRDLU.”

I think it is “42.”
Or “23.”
Or, if you own a cat: mmmmmkmkkkkkkjjjjjuuuuu777766665555.

But that’s just my experiences.

NESTRLE;ask any wheel of fortune watcher!

i thought it was the letter a. but by the looks of blue freedom i was wrong.

Thank you all for this, my daughter is going to love this when she gets home from school today. Especially to you Bluefreedom. What a good thing you did to show her. Great job to all of you. Thank you again.