Polish is a Slavic language spoken by around 40 million people around Poland. It is the official language of Poland. It's also a recognized minority language of Bosnia and Herzegovina, Brazil, Czech Republic, Hungary, Lithuania, Romania, Slovakia and Ukraine.
Pashto is an Iranian language spoken by around 44 million people over Afghanistan and Pakistan. It is an official language in Afghanistan and the Khyber Pakhtunkhwa region of Pakistan. It is also a recognized minority language in the Balochistan region of Pakistan.
Lingala is Bantu language spoken by around 60 million people over Congo and neighboring countries. It is an official language of the Democratic Republic of the Congo and the Republic of Congo.
Aesthetic of the languages on earth : Sudanese Arabic
Sudanese Arabic is a group of Semitic vernicular dialects of Arabic spoken by 41 million people. It is spoken in Sudan, and parts of Egypt, Chad, Eritrea and Ethiopia.
Burmese is a Lolo-Burmese language spoken by 44 million people over Myanmar, some areas of Bangladesh and India. It is an official language in Myanmar.
Yoruba is a Volta-Niger language spoken by 44 million people over western Africa. It is an official language in Nigeria and a recognized language in Togo and Benin.
Swahili is a Bantu language spoken by 80 million people over the African East Coast. It is an official language in Tanzania, Kenya, Rwanda and Uganda. It is a recognized minority language in Burundi, the Democratic Republic of the Congo, and Mozambique.
Malay is an Austronesian language spoken by 77 million people over Maritime Southeast Asia. It is an official language of Malaysia, Indonesia (as Indonesian), Brunei, and Singapore. It is a recognized minority language in Indonesia, East Timor and Thailand.
Thai is a Kra-Dai language spoken by 70 million people over Thailand and southern Cambodia. It is an official language of Thailand and a recognized minority language in Cambodia, Laos, Malaysia and Myanmar.
Aesthetic of the languages on earth : Nigerian Pidgin
Nigerian Pidgin is an English Creole language spoken by 120.7 million people over Nigeria. It is not an official language anywhere, but is used as a lingua franca in Nigeria.
Here are the 6 Celtic languages, divided in 2 families. Cornish and Manx are both slowly getting a revival, and Breton, Welsh, Scottish Gaelic and Irish were all historically repressed. Nowadays educational programs are put in places to make the languages survive, it's estimated that 17% of the Welsh population can speak Welsh.