The political parties known as the "traffic light" coalition are pushing for a change in legislation meaning the sale of cannabis will be legal for consumption purposes, it is suggested.
The survey suggests cannabis legalisation could create around 27,000 jobs - a notable boost for Europe's largest economy.
Germany will change its laws on cannabis sale and consumption.
The Greens and the Free Democratic Party have long supported a legalised cannabis market regulated by the state.
Projections suggest the market for growing cannabis in Europe would provide over 3 billion euros in revenue every year by 2025.
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Last month, Luxembourg became the first country to legalise both growing and using cannabis. »