There will always be an increased demand in the field of Data Science because every day new things are added and new technologies emerge. So, it is an endless journey because it has a lot to explore. So, for the next 20 years, Data Science jobs will definitely going to rock.
So, start your Data Science journey with this informative Data Science tutorial.
Also, if you want to dive deep into the field of Data Science then watch this Data Science video tutorial:
For getting a job as a Data Scientist you should be a professional in Data Science and you need to have a certificate for proving it, so, you should go for data scientist to make your career rise to the next level.