>>717296192
More cities is almost always better as long as it doesn't tank your economy. Along with that having lots of cities you should have lots of workers.
>>717296161 shows I think 3 visible workers in 640AD, he should have around 20 and his entire island should be colonized by now.
There are 2 primary types of economy, cottage and specialist, while you can hybridize, it is fundamentally better to choose one.
Financial leaders obviously are big on cottages, and Philosophical leaders favor Specialists.
Cottage economy is based on making raw money icons and specialist is based on making as much food as you can and then running lots of specialists in your cities (Representation almost mandatory, Pyramids is huge)