Most common sounds in spoken English.

This article lists all English phonemes in order of frequency. By phonemes is meant all sounds that make up the sound inventory of the English language and include both consonant and vowel sounds (as opposed to letters). This classification is based on data compiled using the Carnegie Mellon Pronouncing Dictionary correlated to a frequency list of the British National Corpus, i.e. American pronunciations with British word usage. These are the results of the most common sounds in English.

Here are the exact percentages:

ə / 11.49%
n / 7.11%
r / 6.94%
t / 6.91%
ɪ / 6.32%
s / 4.75%
d / 4.21%
l / 3.96%
i / 3.61%
k / 3.18%
ð / 2.95%
ɛ / 2.86%
m / 2.76%
z / 2.76%
p / 2.15%
æ / 2.10%
v / 2.01%
w / 1.95%
u / 1.93%
b / 1.80%
e / 1.79%
ʌ / 1.74%
f / 1.71%
aɪ / 1.50%
ɑ / 1.45%
h / 1.40%
o / 1.25%
ɒ / 1.18%
ŋ / 0.99%
ʃ / 0.97%
j / 0.81%
g / 0.80%
dʒ / 0.59%
tʃ / 0.56%
aʊ / 0.50%
ʊ / 0.43%
θ / 0.41%
ɔɪ / 0.10%
ʒ / 0.07%