Map and flags of Africa

(SiBr4, Wikimedia CCA 4.0)

Algeria (country), Algerian (nationality/adjective), an Algerian (nationality/noun), Arabic (language)
Angola (country), Angolan (nationality/adjective), an Angolan (nationality/noun), Portuguese (language)
Botswana (country), Batswana (nationality/adjective), a Motswona/the Botswanan (nationality/noun), English and Setswana (languages)
Burundi (country), Burundian (nationality/adjective), a Burundian (nationality/noun), Rundi (language)
Cote d’Ivoire/ Ivory Coast (country), Ivorian (nationality/adjective), an Ivorian (nationality/noun), French (language)
the Democratic Republic of Congo (country), Congolese (nationality/adjective), the Congolese (nationality/noun), French (language)
Djibouti (country),Djiboutian (nationality/adjective), a Djibouti (nationaiity/noun), Arabic and French (languages)
Egypt (country), Egyptian (nationality/adjective), an Egyptian (nationality/noun), Arabic (language)
Equatorial Guinea (country), Equatorial Guinean (nationality/adjective), an Equatorial Guinean (nationality/noun), Spanish (language)
Eritrea (country), Eritrean (nationality/adjective), an Eritrean (nationality/noun), Tigrinya and Arabic (languages)
Eswatini/Swaziland (country), liSwati (nationality/noun), Swazi and English (languages)
Ethiopia (country), Ethiopian (nationality/adjective), an Ethiopian (nationality/noun), Amharic (language)
Ghana (country), Ghanaian (nationality/adjective), a Ghanaian (nationality/adult), English (language)
Kenya (country), Kenyan (nationality/adjective), a Kenyan (nationality/noun), Swahili (language)
Lesotho (country), Mosotho/Basotho (nationality/noun), Sesotho and English (languages)
Mali (country), Malian (nationality/adjective), a Malian (nationality/noun), French (language)
Morocco (country), Moroccan (nationality/adjective), a Moroccan (nationality/noun), Arabic and French (languages)
Mozambique (country), Mozambican (nationality/adjective), a Mozambican (nationality/noun), Portuguese (language)
Namibia (country), Namibian (nationality/adjective), the Nama (nationality/noun), English (language)
Niger (country), Nigerien (nationality/adjective), a Nigerien (nationality/noun), French (lanuage)
Nigeria (country), Nigerian (nationaity/adjective), a Nigerian (nationality/noun), English (noun)
Rwanda (country), Rwandan (nationality/adjective), a Rwandan/the Rwandese (nationality/noun), Kinyarwanda, English and French (languages)
Senegal (country), Sengalese (nationality/adjective), the Sengalese (nationality/noun), French (language)
Sudan (country), Sudan (nationality/adjective), the Sudanese (nationality/noun), Arabic (language)
South Africa (country), South African (nationality/adjective), a South African (nationality/noun), English, Afrikaans, Zulu, Xhosa (languages)
Tanzania (country), Tanzanian (nationality/adjective), a Tanzanian (nationality/noun), English and Swahili (languages)
Tunisia (country), Tunisian (nationality/adjective), a Tunisian (nationality/noun), Arabic (language)
Uganda (country), Ugandan (nationality/adjective), a Ugandan (nationality/noun), English and Swahili (languages)
Zimbabwe (country), Zimbabwean (nationality/adjective), a Zimbabwean (nationality/noun), 16 official languages including English and Shona