Ukrainian (украї́нська мо́ва / ukrayins'ka mova, [ukrɑˈjɪɲsʲkɑ ˈmɔvɑ], formerly Ruthenian - ру́ська, руси́нська мо́ва / rus'ka, rusyns'ka mova) is a member of the East Slavic subgroup of the Slavic languages. It is the official state language of Ukraine and the principal language of the Ukrainians. Written Ukrainian uses a variant of the Cyrillic script.

The Twi language is one of the major languages of the Akan language family in West Africa. It is spoken predominantly in Ghana, West Africa, by about 85 percent of the Ghanaian population (both native and non-native speakers). Native Twi speakers constitute about 45 percent of the population of Ghana, whereas native Akan speakers, in general, form about 60 percent of that country's population.

About 72 million people speak Turkish in Turkey, where Turkish is the official language, and 90% of the population speaks it as a first language. Turkish is also the language spoken at home by those living in areas that had been governed by the Ottoman Empire. For instance, in Bulgaria, there are about 850,000 speakers (Grimes 1992). About 37,000 Turkish speakers live in Uzbekistan, Kazakhstan, Kyrgyzstan, Tajikistan, and Azerbaijan. In Cyprus, Turkish is a co-official language (with Greek), where it is spoken as a first language by 19 percent of the population (Comrie 1990).

Tigrinya, also spelled Tigrigna, Tigrnia, Tigrina, Tigriña, less commonly Tigrinian, Tigrinyan, is a Semitic language spoken in the Tigray Region of Ethiopia (its speakers there are called "Tigrawot, Tegaru") by the Tigrinya people, where it has official status, and in central Eritrea, where it is one of the two main languages of Eritrea, and among groups of emigrants from these regions, including some of the Beta Israel now living in Israel.

Thai, sometimes referred to as Siamese, is spoken in the central plains of Thailand and in Bangkok, its capital. Estimates of the total number of Thai speakers vary widely, as do the percentages of Thailand's total population of Thai speakers. Low estimates cite 20 to 25 million speakers, or about 45 percent of Thailand's population; high estimates cite about 37 million speakers, or 80 percent of the population. This includes almost 5 million ethnic Chinese who are Thai speakers and almost 500,000 speakers of Khorat, a dialect of Thai.

Tamil, a language with a long and ancient literary tradition, has been spoken in southern India for several millennia. Ninety-two percent of its speakers live in India's southern Tamil Nadu State, where it is spoken by 48 million first language speakers. By some accounts, second-language speakers also number in the millions in the southern part of the Indian subcontinent.

As a result of political change within Taiwan, the long-suppressed Hokkien language (Taiwanese), spoken by 71 percent of the population, is gaining legitimacy. Although Taiwanese was previously not even spoken in schools, it is now being introduced into school curriculums throughout the country. In addition, it is being used more and more often in the politics, mass media, and everyday speech of the Taiwanese people.

Swahili is a language that is widely spoken in East Africa.  It is spoken as a first language in areas along the east coast, i.e. from southern Somalia to the Mozambique-Tanzania border; the islands of Zanzibar, Pembe, Mafia, Lamu, and the Comores; and most of East Africa's urban areas.

Sudanese Arabic is the dialect of Arabic spoken throughout Sudan. It has borrowed much of its vocabulary from local languages (El Rotana). This has resulted in a version of Arabic that is unique to Sudan, reflecting the manner in which the country has been influenced by both African and Arab cultures. Some of the tribes in Sudan still have similar accents to the ones in Saudi Arabia.

Spanish (español) is a Romance language named for its origins as the native tongue of a large proportion of the inhabitants of Spain. It is also named Castilian (castellano  listen (help·info)) after the Spanish region of Castile where it originated. Spanish is the second most natively spoken language in the world, after Mandarin Chinese.