The count of Yugas

Vedas and Sasthras say that there are 4 Yugas.

Kritha Yug     - 1728000 years
Thretha Yug   - 1296000 years
Dwapara Yug - 864000 years
Kali Yug           - 432000 years

Currently in 2011, 5111 years have passed (source - a book)