people. This represents a population growth rate of 0.0%. The age distribution, , in Bretigny-sur-Morrens is; 114 children or 15.7% of the population are between 0 and 9 years old and 87 teenagers or 12.0% are between 10 and 19. Of the adult population, 75 people or 10.3% of the population are between 20 and 29 years old. 137 people or 18.8% are between 30 and 39, 122 people or 16.8% are between 40 and 49, and 81 people or 11.1% are between 50 and 59. The senior population distribution is 68 people or 9.3% of the population are between 60 and 69 years old, 29 people or 4.0% are between 70 and 79, there are 12 people or 1.6% who are between 80 and 89, and there are 3 people or 0.4% who are 90 and older. , there were 240 people who were single and never married in the municipality. There were 257 married individuals, 25 widows or widowers and 41 individuals who are divorced. , there were 228 private households in the municipality, and an average of 2.4 persons per household. There were 57 households that consist of only one person and 13 households with five or more people. Out of a total of 234 households that answered this question, 24.4% were households made up of just one person. Of the rest of the households, there are 67 married couples without children, 77 married couples with children There were 21 single parents with a child or children. There were 6 households that were made up of unrelated people and 6 households that were made up of some sort of institution or another collective housing. there were 50 single family homes (or 49.5% of the total) out of a total of 101 inhabited buildings. There were 32 multi-family buildings (31.7%), along with 16 multi-purpose buildings that were mostly used for housing (15.8%) and 3 other use buildings (commercial or industrial) that also had some housing (3.0%). Of the single family homes 9 were built before 1919, while 5 were built between 1990 and 2000. The greatest number of single family homes (15) were built between 1971 and 1980. The most multi-family homes (7) were built between 1981 and 1990 and the next most (6) were built before 1919. There were 5 multi-family houses built between 1996 and 2000. there were 249 apartments in the municipality. The most common