About Khmer Language
According to Wikipedia.org, The Khmer language is also known as Cambodian. It is the official language of Cambodia. There are around 11.3 million people in South-Eastern Thailand who also speak Khmer. This language is written with a special script that was first introduced in South India. Khmer is the official language of the ancient Khmer empire and in Angkor. There are several inscriptions from the 7th to 15th century that represent the prestige and use of this language. In Cambodia 15-16 million native speakers speak Khmer. People living in Khmer are close to the Southeast Asian population. The Northern Khmer dialect makes it distinctive among other languages. Khmer belongs to the Austroasiatic Khmeric Khmer language family.
About Chinese (Simplified) Language
According to Wikipedia.org, Chinese is the official language of China and Hong Kong. The simplified characters are one of the major written scripts in China. These characters are not only used in China but other places in the world. Most of the children studying in Malaysia and Singapore all know simplified Chinese. They are also used in Hong Kong, Taiwan and even Japan. The traditional characters have been a choice in books and texts majorly. However in the modern era it covers the majority of contemporary Chinese text. In China the dialect of Chinese people is known as mandarin. It is studied with simplified characters of Chinese. You will be surprised to know that simplified characters are not used for writing. About 1.3 billion people in the world speak Chinese language.