iTunes:
#1 Nigeria
Apple Music (45x #1):
#1 Anguilla
#1 Antigua and Barbuda
#1 Barbados
#1 Benin
#1 Bermuda
#1 Botswana
#1 British Virgin Islands
#1 Cameroon
#1 Cape Verde
#1 Cayman Islands
#1 Dominica
#1 Gambia
#1 Ghana
#1 Grenada
#1 Guinea-Bissau
#1 Guyana
#1 Ireland
#1 Jamaica
#1 Kenya
#1 Liberia
#1 Malawi
#1 Mali
#1 Mauritania
#1 Mauritius
#1 Namibia
#1 Netherlands
#1 Nigeria
#1 Oman
#1 Saint Kitts and Nevis
#1 Senegal
#1 Seychelles
#1 Sierra Leone
#1 South Africa
#1 St. Lucia
#1 St. Vincent and The Grenadines
#1 Suriname
#1 Swaziland
#1 Sweden
#1 Tanzania
#1 The Bahamas
#1 Trinidad and Tobago
#1 Turks and Caicos
#1 Uganda
#1 United Kingdom
#1 Zimbabwe
