Ladir had a population (as of 2011) of 115. , 9.7% of the population was made up of foreign nationals. The age distribution, , in Ladir is; 6 children or 5.6% of the population are between 0 and 9 years old and 22 teenagers or 20.6% are between 10 and 19. Of the adult population, 13 people or 12.1% of the population are between 20 and 29 years old. 13 people or 12.1% are between 30 and 39, 12 people or 11.2% are between 40 and 49, and 10 people or 9.3% are between 50 and 59. The senior population distribution is 13 people or 12.1% of the population are between 60 and 69 years old, 13 people or 12.1% are between 70 and 79, there are 5 people or 4.7% who are between 80 and 89. In the
2007 federal election the most popular party was the
SVP which received 44.8% of the vote. The next three most popular parties were the
CVP (28.3%), the
FDP (13.8%) and the
SP (11%). ==Education==