disproportion

US /ˌdɪs.prəˈpɔːr.ʃən/
UK /ˌdɪs.prəˈpɔːr.ʃən/
1.

sự không cân đối

the fact of being too large or too small in relation to something else:

:
The disproportion between the number of votes and the number of seats is apparent.