More than one in five people employed in Lambeth is now working part time according to the GMB union.
There were 33,700 part-time workers in the borough by July last year which equates to 21.9 per cent, slightly above the London average.
The figures have been released by the union to highlight the growth of part time working, which it says is characterised by low pay, insecurity and bad conditions.
Kamaljeet Jandu GMB national officer speaking at the union's National Equality Conference last month said "This mushrooming of part-time jobs is often at the expense of full-time employment and on too many occasions part-time working is characterised by low pay, insecurity and bad conditions.
Employers need to recognise that the major reasons people opt for part-time working is that they need flexible hours for childcare duties or that they cannot find a full-time job.
We are calling for the government to have an economic strategy based on quality job creation and growth."
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