The Most Similar Countries to the United States

1. Canada, 2. Australia, 3. New Zealand, 4. United Kingdom, 5. Ireland

The Most Similar Countries to Switzerland

1. Austria, 2. Germany, 3. Luxembourg, 4. France, 5. Belgium

The Most Similar Countries to Sweden

1. Norway, 2. Finland, 3. Denmark, 4. Germany, 5. Netherlands

The Most Similar Countries to Serbia

1. Bosnia, 2. Montenegro, 3. Croatia, 4. Bulgaria, 5. North Macedonia