Final answer:
The 2004 World Happiness Report does not exist, but according to the 2021 report, Finland and Denmark are currently the top two happiest countries.
Step-by-step explanation:
The World Happiness Report 2004 does not exist, as the first edition of the report was published in 2012. Therefore, there is no official data to determine the two happiest countries in 2004. However, the World Happiness Report 2021 ranks the top countries based on happiness level, with Finland and Denmark occupying the top two spots, respectively.