In 2005 there were still over 1000 Tatra T57s registered in Czech Republic. To be excactly: 1011 vehicles of the types T57, T57a, T57b and T57K with an average age of 67,89 years.
By the end of 2009, there were still 992 units registered. In the top 32 list, there are quite some older models still around: Skoda 100 (36,854 units, average age 38,04 years), Trabant 601 (25,701 units, average age 36,51 years) and VAZ 2101 (24,412 units, average age 34,93 years). The oldest cars listed in the Register include Aero 30 ( 607 units, average age 72.88 years), Tatra 57 (992 units, average age 71.26 years) and Škoda 1101 (592 units average 64.33 years).
Top 32 list: http://news.auto.cz/?sekce=foto&ga_uid=GI_4ba37b897ff22&ga_id=GH_4ba37b896e8cd
Article in Czech: http://news.auto.cz/statistiky/30-nejrozsirenejsich-aut.html
The article has made me curious about how many other Tatras like T 87, Tatraplan, T 603, T 613 are still registered in CZ. Please respond on this article if you know.
UPDATE by Etienne robo@somora.sk
Slovak Republic, 2007:
Tatra 57: 39
Tatra 87: 3
Tatra 148: 3230
Tatra 600: 12
Tatra 603: 125
Tatra 613: 821
Contains only validly registered vehicles w/licence plates and legal papers.