The map of secular states is incorrect. 

England, Iceland, Moldavia, Greece, Cyprus, Argentina, Slovakia and Thailand are not secular states. Source: 

And why is the whole UK shown as a secular state? The Church of England, which is the established church of England. 
Only Scotland, Wales and Northern Ireland are secular inside the UK.

East Timor is a secular state according to Section 45 of the East Timorese constitution, which stipulates the separation of religion from the state. Source: East Timor Constitution Section 45