The Population of Berlin in 2013 was 3,860,243, increasing at an average annual rate of 0.7% since 2000. The population of Berlin in 2000 was 3,510,570, increasing at an average annual rate of 0.8% since 1990, when its population was 3,248,604.
The Urban Extent of Berlin in 2013 was 109,026 hectares, increasing at an average annual rate of 2.9% since 2000. The urban extent in 2000 was 74,137 hectares, increasing at an average annual rate of 5% since 1990, when its urban extent was 44,886 hectares.
Built-up Area Density in Berlin in 2013 was 56 persons per hectare, decreasing at an average annual rate of -2.6% since 2000. The built-up area density in 2000 was 79 persons per hectare, decreasing at an average annual rate of -5.1% since 1990 when the built-up area density was 131.48 persons per hectare.
The Urban Extent Density in Berlin in 2013 was 35 persons per hectare, decreasing at an average annual rate of -2.2% since 2000. The urban extent density in 2000 was 47 persons per hectare, decreasing at an average annual rate of -4.2% since 1990 when the urban extent density was 72 persons per hectare.
A total of 24,329 hectares of built-up area was added to the Berlin urban extent between 2000 and 2013. Of that added built-up area, 35% was Infill, 21% was Extension, 3% was Leapfrog, and 40% was Inclusion. A total of 19,706 hectares of built-up area was added to the urban extent between 1990 and 2000. Of that added built-up area, 35% was Infill, 32% was Extension, 0% was Leapfrog, and 32% was Inclusion.
Average road width in the Berlin 1990-2014 expansion area was 8.85 meters, compared to 10.69 meters in its pre-1990 area.
The share of built-up area in Berlin occupied by roads in the 1990-2014 expansion area was 18%, compared to 25% in the pre-1990 area.
The density of arterial roads in Berlin's 1990-2014 expansion was 1.72 km/km2, compared to 2.21 km/km2 in its pre-1990 area.
The share of built-up area within walking distance of an arterial road in Berlin's 1990-2014 expansion area was 95%, compared to 98% in the pre-1990 area.
Average block size in Berlin's 1990-2014 expansion area was 5.6 hectares, compared to 3.4 hectares in its pre-1990 area.