Не кому сколько лет, а какого числа родился; наверняка по запросу ФСБ.

Но мне скрывать нечего - мой ник и так "засвечен" где надо:

When you were born, you were the:
4,208,540,220th
person alive on Earth
78,655,402,036th
person to have lived since history began

Russia:
Your country's population is 142,958,164
Every hour, there are:
186 Births
233 Deaths
+26 Immigrants
Average yearly growth -0.1%
The male average life expectancy in Russia is 61.6 years