According to the list regarding population by scenarios, 2018-2080:
In 2018, the main scenario is 81.67.223 thousand, the high scenario is 81.989.850 while the low scenario is 81.744.659.
In 2040, the main scenario is 100 million, while the high scenario is 103 million and the low scenario is 97 million.
In 2080, the main scenario is 107 million, while the high scenario is 121 million and the low scenario is 94 million.