About Japanese Language
According to Wikipedia.org, Japanese is an East Asian language. It is spoken by about 128 million people. It is the official language of Japan. It is a member of the Japonic language family. The relation of Japanese to other languages is unclear. Japonic languages are grouped with many language families such as Ainu, Austroasiatic, Korean, and the now-discredited Altaia. Not much is known about the Japanese language's prehistory, and it is not known when it first appeared in Japan. Chinese documents from the 3rd century AD have recorded a few Japanese words, but texts appeared only after the 8th century. The Chinese language was the major language in Japan during the Heian period. The vocabulary and phonology of Old Japanese are influenced by the Chinese language. Late Middle Japanese is closer to the modern Japanese language. Japanese has a few similarities with the English language.
About Igbo Language
According to Wikipedia.org, Igbo is a prominent language among the Igbo natives. These natives belong to the ethnic group that resides in Eastern Nigeria. This language is termed 'Igbo izugbe' and was officially adopted in 1972. The foundation of this language is based on various dialects. It includes Owerri (Isuama), Anambra (Awka) and Umuahia (Ohuhu). Many other languages are related to the Igbo language. The list includes Ika, Ukwuani, and Ogba. All these are also considered as the dialects of Igbo. There are around 42 million native speakers of Igbo. You will be surprised to see that the writing system is quite innovative. Most of it is written in Latin alphabets. It is the official language of Nigeria but is spoken by other people in the world too.