Here, data on (super)centenarians from the Balkan, as well as from Hungary, Romania, and Moldova, can be posted.

Here, data on (super)centenarians from the Baltic states can be posted

Here, data on supercentenarians from the Benelux can be posted.

Here, data on supercentenarians from the United Kingdom and Ireland can be posted.

Here, data on French supercentenarians can be posted.

Here, data on supercentenarians from Germany, Austria, and Switzerland can be posted.

Here, data on Portuguese supercentenarians can be posted.

Here, data on Italian supercentenarians can be posted.

Here, data on Nordic (super)centenarians can be posted.

Here, data on Russian supercentenarians can be posted.

Here, data on (super)centenarians from Poland, Czechia, Slovakia, Belarus, and the Ukraine can be posted.