There are an estimated 150,000 LEED-certified green housing units worldwide, according to a new report from the U.S. Green Building Council [PDF]. That number has more than doubled since 2011.

The vast majority of these units are in multifamily buildings. The number of LEED-certified single-family detached homes is estimated at about 13,000.

According to the report, the top 10 credits on residential projects include the following:

  • 99%: nontoxic pest control alternatives (Sustainable Sites credit 5)
  • 98%: environmentally preferable products (Materials and Resources credit 2.2)
  • 95%: exceptional energy performance (Energy and Atmosphere credit 1.2)
  • 94%: appropriate HVAC refrigerants (Energy and Atmosphere credit 11.2)
  • 94%: very high efficiency fixtures and fittings (Water Efficiency credit 3.2)
  • 94%: served by or are near existing infrastructure (Location and Linkages credit 4)
  • 90%: enhanced combustion venting measures (Indoor Environmental Quality credit 2.2)
  • 86%: avoided development on environmentally sensitive sites (Location and Linkages credit 2)
  • 84%: secured third-party performance verification of the building enclosure and its components (Innovation in Design credit 2.3)
  • 83%: selected a location to encourage walking, physical activity and time spent outdoor (Location and Linkages credit 6)