Final answer:
The Iberian peninsula is less densely populated than the Italian peninsula.
Step-by-step explanation:
When comparing the population densities of the Iberian peninsula (Spain and Portugal) and the Italian peninsula on the map, it is true that the Iberian peninsula is less densely populated than the Italian peninsula. According to the given information, Italy has a population of about 62 million people while Spain has about 49 million. Additionally, the rural-to-urban shift in southern Europe has been stronger in Italy compared to the Iberian peninsula, with a higher percentage of the population being urbanized in Italy.