As of  2011, Lengnau had an unemployment rate of 2.74%.
 As of 2008, there were a total of 1,459 people employed in the municipality.
 Of these, there were 31 people employed in the primary economic sector and about 10 businesses involved in this sector.
 861 people were employed in the secondary sector and there were 70 businesses in this sector.
 567 people were employed in the tertiary sector, with 104 businesses in this sector.

In 2008 there were a total of 1,219 full-time equivalent jobs.
 The number of jobs in the primary sector was 23, of which 19 were in agriculture and 3 were in forestry or lumber production.
 The number of jobs in the secondary sector was 773 of which 685 or (88.6%) were in manufacturing and 87 (11.3%) were in construction.
 The number of jobs in the tertiary sector was 423.
 In the tertiary sector; 134 or 31.7% were in wholesale or retail sales or the repair of motor vehicles, 25 or 5.9% were in a hotel or restaurant, 10 or 2.4% were in the information industry, 11 or 2.6% were the insurance or financial industry, 28 or 6.6% were technical professionals or scientists, 66 or 15.6% were in education and 72 or 17.0% were in health care.

In 2000, there were 841 workers who commuted into the municipality and 1,592 workers who commuted away.
 The municipality is a net exporter of workers, with about 1.9 workers leaving the municipality for every one entering.
 Of the working population, 15.6% used public transportation to get to work, and 57.5% used a private car.
As of  2011, Lengnau had an unemployment rate of 2.74%.  As of 2008, there were a total of 1,459 people employed in the municipality.  Of these, there were 31 people employed in the primary economic sector and about 10 businesses involved in this sector.  861 people were employed in the secondary sector and there were 70 businesses in this sector.  567 people were employed in the tertiary sector, with 104 businesses in this sector.
In 2008 there were a total of 1,219 full-time equivalent jobs.  The number of jobs in the primary sector was 23, of which 19 were in agriculture and 3 were in forestry or lumber production.  The number of jobs in the secondary sector was 773 of which 685 or (88.6%) were in manufacturing and 87 (11.3%) were in construction.  The number of jobs in the tertiary sector was 423.  In the tertiary sector; 134 or 31.7% were in wholesale or retail sales or the repair of motor vehicles, 25 or 5.9% were in a hotel or restaurant, 10 or 2.4% were in the information industry, 11 or 2.6% were the insurance or financial industry, 28 or 6.6% were technical professionals or scientists, 66 or 15.6% were in education and 72 or 17.0% were in health care.
In 2000, there were 841 workers who commuted into the municipality and 1,592 workers who commuted away.  The municipality is a net exporter of workers, with about 1.9 workers leaving the municipality for every one entering.  Of the working population, 15.6% used public transportation to get to work, and 57.5% used a private car.
Lengnau, Bern