When EU guidelines were released a few weeks ago officials said the list would take into account the infection rate in countries concerned.
The same sources have also confirmed that citizens of Brazil, Qatar, the United States and Russian Federation will only be able to enter Europe at a later date when the epidemiological situation in these countries improves.
As part of this, the 27 European Union nations and four other countries that are part of Europe's "Schengen area" - a 26-nation bloc where goods and people move freely - appear on track to reopen their borders between each other by 1 July.
The proposed "safe" list contains just fourteen countries: Algeria, Australia, Canada, Georgia, Japan, Montenegro, Morocco, New Zealand, Rwanda, Serbia, South Korea, Thailand, Tunisia and Uruguay.
While Portugal and Greece, whose economies are highly dependent on tourism, have called for more countries on the list.
New Zealanders will be able to travel to Europe from July 1.
Whatever is decided in Brussels will exist only as a recommendation since border control remains a national competence and a limited number of flights to and from banned countries have continued throughout the crisis.
The acceptable countries also include China - but only if China allows European Union travelers to visit as well, the officials said. However, today, June 29, a meeting was held in Brussels, at which they made a decision to revise the list and reduced it to 15 countries.
Other countries barred include Brazil and Russian Federation.
The US has not only the highest number of reported coronavirus infections of any nation, now 2,590,582, but also the highest number of deaths, at, 126,141, according to the latest data from Johns Hopkins University.
Non-EU citizens who are already living in Europe are not included in the ban.
Also under review was whether or not that country had lifted travel restrictions towards the EU.
United Kingdom citizens, as well as the family members, are exempted from the temporary travel restriction, and they will be treated in the same way as European Union nationals until the end of the Brexit transition period, on December 31, 2020.