But they can at least understand Mandarin. Anyway, English will be replaced when America falls (at least loose the present power). It's very likely for China to become the next superpower.
. Practically some elderly or rural Chinese-language speakers do not speak Standard Chinese fluently, if at all, but most are able to understand it. But the younger generations are almost all fluent in Standard Chinese, some to the extent of being unable to speak their local dialect.
if mastery of Mandarin is defined as Grade 1-A (an error rate lower than 3%), the percentages were as follows: Beijing 90%, Shanghai 3%, Tianjin 25%, Guangzhou 0.5%, Dalian 10%, Xi'an 12%, Chengdu 1%, Nanjing 2%.[citation needed]
The requirements are very high, so your statistics means nothing.
How many people can speak British standart variety of English?