End-2011 estimates (based on the May 2011 Census)10.512.441 - Baden-Württemberg
12.443.372 - Bayern
3.326.002 - Berlin
2.453.180 - Brandenburg
652.182 - Bremen
1.718.187 - Hamburg
5.993.771 - Hessen
1.606.899 - Mecklenburg-Vorpommern
7.774.253 - Niedersachsen
17.544.938 - Nordrhein-Westfalen
3.990.033 - Rheinland-Pfalz
997.855 - Saarland
4.054.182 - Sachsen
2.276.736 - Sachsen-Anhalt
2.802.266 - Schleswig-Holstein
2.181.603 - Thüringen
80.327.900 - Germany
My projected End-2012 estimates (using official state birth/death data up to November and migration balances up to November/December)10.568.000 - Baden-Württemberg (+55K)
12.517.000 - Bayern (+74K)
3.370.000 - Berlin (+44K)
2.448.000 - Brandenburg (-5K)
654.000 - Bremen (+2K)
1.733.000 - Hamburg (+15K)
6.017.000 - Hessen (+23K)
1.600.000 - Mecklenburg-Vorpommern (-7K)
7.778.000 - Niedersachsen (+4K)
17.551.000 - Nordrhein-Westfalen (+6K)
3.990.000 - Rheinland-Pfalz (no change)
994.000 - Saarland (-4K)
4.050.000 - Sachsen (-4K)
2.259.000 - Sachsen-Anhalt (-18K)
2.806.000 - Schleswig-Holstein (+4K)
2.170.000 - Thüringen (-12K)
80.505.000 - Germany (+177K)
...
These numbers should be within 5000 in each state and 10.000 for Germany, because December is unlikely to show significant birth/death or migration changes.
The official numbers are likely released in the coming months.