In 2015, the population of **Edinburgh** was 498,810. This is projected to rise to 594,712 by 2039, an increase of 21%.

By 2039, the working age population is expected to have increased by 37,471 or 12% on the corresponding figure for 2014. During the same period, the number of people aged over 75 is projected to have increased by 29,569 or 83%. The population under 16 is projected to have increased by 11,831 or 16%.

In 2015, the population of **Midlothian** was 87,390. This is projected to rise to 108,369 by 2039, an increase of 26%.

By 2039, the working age population is expected to have increased by 7,589 or 16% on the corresponding figure for 2014. During the same period, the number of people aged over 75 is projected to have increased by 4,079 or 62%. The population under 16 is projected to have increased by 4,095 or 25%.

In 2015, the population of the **Scottish Borders** was 114,030. This is projected to rise to 117,120 by 2039, an increase of 3%.

By 2039, the working age population is expected to have declined by 9,170 or 15% on the corresponding figure for 2014. During the same period, it is projected that the number of people aged over 75 will have increased by 10,353 or 89%. The population under 16 is projected to remain the same.

It should be noted that these projections are based on trends and do not take into account policies adopted by local and national government. The potential impact of the railway is not accounted for in these projections.