A compiled list of coordinates for all 193 countries in the UN. Compiled from this list of UN members (https://en.wikipedia.org/wiki/Member_states_of_the_United_Nations#Current_members), and this list of country centroids (http://gothos.info/resources/).

un-country-centroids.json

[
  { "name": "Afghanistan", "lat": 33, "long": 66 },
  { "name": "Albania", "lat": 41, "long": 20 },
  { "name": "Algeria", "lat": 28, "long": 3 },
  { "name": "Andorra", "lat": 42.5, "long": 1.5 },
  { "name": "Angola", "lat": -12.5, "long": 18.5 },
  { "name": "Antigua and Barbuda", "lat": 17.05, "long": -61.8 },
  { "name": "Argentina", "lat": -34, "long": -64 },
  { "name": "Armenia", "lat": 40, "long": 45 },
  { "name": "Australia", "lat": -25, "long": 135 },
  { "name": "Austria", "lat": 47.333333, "long": 13.333333 },
  { "name": "Azerbaijan", "lat": 40.5, "long": 47.5 },
  { "name": "Bahamas", "lat": 24, "long": -76 },
  { "name": "Bahrain", "lat": 26, "long": 50.5 },
  { "name": "Bangladesh", "lat": 24, "long": 90 },
  { "name": "Barbados", "lat": 13.166667, "long": -59.533333 },
  { "name": "Belarus", "lat": 53, "long": 28 },
  { "name": "Belgium", "lat": 50.833333, "long": 4 },
  { "name": "Belize", "lat": 17.25, "long": -88.75 },
  { "name": "Benin", "lat": 9.5, "long": 2.25 },
  { "name": "Bhutan", "lat": 27.5, "long": 90.5 },
  { "name": "Bolivia", "lat": -17, "long": -65 },
  { "name": "Bosnia and Herzegovina", "lat": 44.25, "long": 17.833333 },
  { "name": "Botswana", "lat": -22, "long": 24 },
  { "name": "Brazil", "lat": -10, "long": -55 },
  { "name": "Brunei Darussalam", "lat": 4.5, "long": 114.666667 },
  { "name": "Bulgaria", "lat": 43, "long": 25 },
  { "name": "Burkina Faso", "lat": 13, "long": -2 },
  { "name": "Burundi", "lat": -3.5, "long": 30 },
  { "name": "Cabo Verde", "lat": 16, "long": -24 },
  { "name": "Cambodia", "lat": 13, "long": 105 },
  { "name": "Cameroon", "lat": 6, "long": 12 },
  { "name": "Canada", "lat": 60, "long": -96 },
  { "name": "Central African Republic", "lat": 7, "long": 21 },
  { "name": "Chad", "lat": 15, "long": 19 },
  { "name": "Chile", "lat": -30, "long": -71 },
  { "name": "China", "lat": 35, "long": 105 },
  { "name": "Colombia", "lat": 4, "long": -72 },
  { "name": "Comoros", "lat": -12.166667, "long": 44.25 },
  { "name": "Congo", "lat": -1, "long": 15 },
  { "name": "Costa Rica", "lat": 10, "long": -84 },
  { "name": "Côte d’Ivoire", "lat": 8, "long": -5 },
  { "name": "Croatia", "lat": 45.166667, "long": 15.5 },
  { "name": "Cuba", "lat": 22, "long": -79.5 },
  { "name": "Cyprus", "lat": 35, "long": 33 },
  { "name": "Czech Republic", "lat": 49.75, "long": 15 },
  { "name": "Democratic People’s Republic of Korea", "lat": 40, "long": 127 },
  { "name": "Democratic Republic of the Congo", "lat": 0, "long": 25 },
  { "name": "Denmark", "lat": 56, "long": 10 },
  { "name": "Djibouti", "lat": 11.5, "long": 42.5 },
  { "name": "Dominica", "lat": 15.5, "long": -61.333333 },
  { "name": "Dominican Republic", "lat": 19, "long": -70.666667 },
  { "name": "Ecuador", "lat": -2, "long": -77.5 },
  { "name": "Egypt", "lat": 27, "long": 30 },
  { "name": "El Salvador", "lat": 13.833333, "long": -88.916667 },
  { "name": "Equatorial Guinea", "lat": 2, "long": 10 },
  { "name": "Eritrea", "lat": 15, "long": 39 },
  { "name": "Estonia", "lat": 59, "long": 26 },
  { "name": "Ethiopia", "lat": 8, "long": 38 },
  { "name": "Fiji", "lat": -18, "long": 178 },
  { "name": "Finland", "lat": 64, "long": 26 },
  { "name": "France", "lat": 46, "long": 2 },
  { "name": "Gabon", "lat": -1, "long": 11.75 },
  { "name": "Gambia", "lat": 13.5, "long": -15.5 },
  { "name": "Georgia", "lat": 41.999981, "long": 43.499905 },
  { "name": "Germany", "lat": 51.5, "long": 10.5 },
  { "name": "Ghana", "lat": 8, "long": -2 },
  { "name": "Greece", "lat": 39, "long": 22 },
  { "name": "Grenada", "lat": 12.116667, "long": -61.666667 },
  { "name": "Guatemala", "lat": 15.5, "long": -90.25 },
  { "name": "Guinea", "lat": 11, "long": -10 },
  { "name": "Guinea-Bissau", "lat": 12, "long": -15 },
  { "name": "Guyana", "lat": 5, "long": -59 },
  { "name": "Haiti", "lat": 19, "long": -72.416667 },
  { "name": "Honduras", "lat": 15, "long": -86.5 },
  { "name": "Hungary", "lat": 47, "long": 20 },
  { "name": "Iceland", "lat": 65, "long": -18 },
  { "name": "India", "lat": 20, "long": 77 },
  { "name": "Indonesia", "lat": -5, "long": 120 },
  { "name": "Iran", "lat": 32, "long": 53 },
  { "name": "Iraq", "lat": 33, "long": 44 },
  { "name": "Ireland", "lat": 53, "long": -8 },
  { "name": "Israel", "lat": 31.5, "long": 34.75 },
  { "name": "Italy", "lat": 42.833333, "long": 12.833333 },
  { "name": "Jamaica", "lat": 18.25, "long": -77.5 },
  { "name": "Japan", "lat": 36, "long": 138 },
  { "name": "Jordan", "lat": 31, "long": 36 },
  { "name": "Kazakhstan", "lat": 48, "long": 68 },
  { "name": "Kenya", "lat": 1, "long": 38 },
  { "name": "Kiribati", "lat": -5, "long": -170 },
  { "name": "Kuwait", "lat": 29.5, "long": 47.75 },
  { "name": "Kyrgyzstan", "lat": 41, "long": 75 },
  { "name": "Laos", "lat": 18, "long": 105 },
  { "name": "Latvia", "lat": 57, "long": 25 },
  { "name": "Lebanon", "lat": 33.833333, "long": 35.833333 },
  { "name": "Lesotho", "lat": -29.5, "long": 28.25 },
  { "name": "Liberia", "lat": 6.5, "long": 9.5 },
  { "name": "Libya", "lat": 25, "long": 17 },
  { "name": "Liechtenstein", "lat": 47.166667, "long": 9.533333 },
  { "name": "Lithuania", "lat": 56, "long": 24 },
  { "name": "Luxembourg", "lat": 49.75, "long": 6.166667 },
  { "name": "Macedonia", "lat": 41.833333, "long": 22 },
  { "name": "Madagascar", "lat": -20, "long": 47 },
  { "name": "Malawi", "lat": -13.5, "long": 34 },
  { "name": "Malaysia", "lat": 2.5, "long": 112.5 },
  { "name": "Maldives", "lat": 3.2, "long": 73 },
  { "name": "Mali", "lat": 17, "long": -4 },
  { "name": "Malta", "lat": 35.916667, "long": 14.433333 },
  { "name": "Marshall Islands", "lat": 10, "long": 167 },
  { "name": "Mauritania", "lat": 20, "long": -12 },
  { "name": "Mauritius", "lat": -20.3, "long": 57.583333 },
  { "name": "Mexico", "lat": 23, "long": -102 },
  { "name": "Federated States of Micronesia", "lat": 5, "long": 152 },
  { "name": "Monaco", "lat": 43.733333, "long": 7.4 },
  { "name": "Mongolia", "lat": 46, "long": 105 },
  { "name": "Montenegro", "lat": 42.5, "long": 19.3 },
  { "name": "Morocco", "lat": 32, "long": -5 },
  { "name": "Mozambique", "lat": -18.25, "long": 35 },
  { "name": "Myanmar", "lat": 22, "long": 98 },
  { "name": "Namibia", "lat": -22, "long": 17 },
  { "name": "Nauru", "lat": -0.533333, "long": 166.916667 },
  { "name": "Nepal", "lat": 28, "long": 84 },
  { "name": "Netherlands", "lat": 52.5, "long": 5.75 },
  { "name": "New Zealand", "lat": -42, "long": 174 },
  { "name": "Nicaragua", "lat": 13, "long": -85 },
  { "name": "Niger", "lat": 16, "long": 8 },
  { "name": "Nigeria", "lat": 10, "long": 8 },
  { "name": "Norway", "lat": 62, "long": 10 },
  { "name": "Oman", "lat": 21, "long": 57 },
  { "name": "Pakistan", "lat": 30, "long": 70 },
  { "name": "Palau", "lat": 6, "long": 134 },
  { "name": "Panama", "lat": 9, "long": -80 },
  { "name": "Papua New Guinea", "lat": -6, "long": 147 },
  { "name": "Paraguay", "lat": -22.993333, "long": -57.996389 },
  { "name": "Peru", "lat": -10, "long": -76 },
  { "name": "Philippines", "lat": 13, "long": 122 },
  { "name": "Poland", "lat": 52, "long": 20 },
  { "name": "Portugal", "lat": 39.5, "long": -8 },
  { "name": "Qatar", "lat": 25.5, "long": 51.25 },
  { "name": "Republic of Korea", "lat": 37, "long": 127.5 },
  { "name": "Republic of Moldova", "lat": 47, "long": 29 },
  { "name": "Romania", "lat": 46, "long": 25 },
  { "name": "Russian Federation", "lat": 60, "long": 100 },
  { "name": "Rwanda", "lat": -2, "long": 30 },
  { "name": "Saint Kitts and Nevis", "lat": 17.333333, "long": -62.75 },
  { "name": "Saint Lucia", "lat": 13.883333, "long": -60.966667 },
  { "name": "Saint Vincent and the Grenadines", "lat": 13.083333, "long": -61.2 },
  { "name": "Samoa", "lat": -13.803096, "long": -172.178309 },
  { "name": "San Marino", "lat": 43.933333, "long": 12.416667 },
  { "name": "Sao Tome and Principe", "lat": 1, "long": 7 },
  { "name": "Saudi Arabia", "lat": 25, "long": 45 },
  { "name": "Senegal", "lat": 14, "long": -14 },
  { "name": "Serbia", "lat": 44, "long": 21 },
  { "name": "Seychelles", "lat": -4.583333, "long": 55.666667 },
  { "name": "Sierra Leone", "lat": 8.5, "long": -11.5 },
  { "name": "Singapore", "lat": 1.366667, "long": 103.8 },
  { "name": "Slovakia", "lat": 48.666667, "long": 19.5 },
  { "name": "Slovenia", "lat": 46.25, "long": 15.166667 },
  { "name": "Solomon Islands", "lat": -8, "long": 159 },
  { "name": "Somalia", "lat": 6, "long": 48 },
  { "name": "South Africa", "lat": -30, "long": 26 },
  { "name": "South Sudan", "lat": 8, "long": 30 },
  { "name": "Spain", "lat": 40, "long": -4 },
  { "name": "Sri Lanka", "lat": 7, "long": 81 },
  { "name": "Sudan", "lat": 16, "long": 30 },
  { "name": "Suriname", "lat": 4, "long": -56 },
  { "name": "Swaziland", "lat": -26.5, "long": 31.5 },
  { "name": "Sweden", "lat": 62, "long": 15 },
  { "name": "Switzerland", "lat": 47, "long": 8 },
  { "name": "Syrian Arab Republic", "lat": 35, "long": 38 },
  { "name": "Tajikistan", "lat": 39, "long": 71 },
  { "name": "Tanzania", "lat": -6, "long": 35 },
  { "name": "Thailand", "lat": 15, "long": 100 },
  { "name": "Timor-Leste", "lat": -8.833333, "long": 125.75 },
  { "name": "Togo", "lat": 8, "long": 1.166667 },
  { "name": "Tonga", "lat": -20, "long": -175 },
  { "name": "Trinidad and Tobago", "lat": 11, "long": -61 },
  { "name": "Tunisia", "lat": 34, "long": 9 },
  { "name": "Turkey", "lat": 39.059012, "long": 34.911546 },
  { "name": "Turkmenistan", "lat": 40, "long": 60 },
  { "name": "Tuvalu", "lat": -8, "long": 178 },
  { "name": "Uganda", "lat": 2, "long": 33 },
  { "name": "Ukraine", "lat": 49, "long": 32 },
  { "name": "United Arab Emirates", "lat": 24, "long": 54 },
  { "name": "United Kingdom", "lat": 54, "long": -4 },
  { "name": "United States of America", "lat": 39.828175, "long": -98.5795 },
  { "name": "Uruguay", "lat": -33, "long": -56 },
  { "name": "Uzbekistan", "lat": 41.707542, "long": 63.84911 },
  { "name": "Vanuatu", "lat": -16, "long": 167 },
  { "name": "Venezuela", "lat": 8, "long": -66 },
  { "name": "Vietnam", "lat": 16.166667, "long": 107.833333 },
  { "name": "Yemen", "lat": 15.5, "long": 47.5 },
  { "name": "Zambia", "lat": -15, "long": 30 },
  { "name": "Zimbabwe", "lat": -19, "long": 29 }
]

Thanks for telling me. Fixed!

Very useful, thanks!

I wonder if the same holds for Liberia, long should be -9.5, not 9.5?

In addition to that, as far as I understand, based on Wikepedia:
Macedonia is now North Macedonia
and
Swaziland is now Eswatini ?