In Germany, around 2.62 billion Euros have been invested till 2020 for Industry 4.0 in the different industrial sectors. (Bitkom).

More than 39% are interested in investing in products in Industry 4.0.
The following survey by Bitkom, Fraunhofer IAO, shows the growth rate of certain industries in Industry 4.0 until 2025.

The growth rate can be seen as higher in machine engineering industries compared to the automotive industry. Even the chemical or electrical equipment industries attracted more growth rate in industry 4.0.
Source:- Statista