335 in every 100,000 people are currently imprisoned in Puerto Rico compared to 6 in San Marino

This entry contains the number of people in penal institutions, including pre-trial detainees. Comparability is hampered by differences in local practice, including whether psychiatrically ill offenders are under the authority of the prison administration. People held in a form of custody not under the authority of a prison administration are not included in this figure.
Source: International Centre for Prison Studies

Puerto Rico has an unemployment rate of 13.70% while San Marino has 8.70%

This entry contains the percent of the labor force that is without jobs.
Source: CIA World Factbook

The life expectancy at birth in Puerto Rico is 79.09 while in San Marino it is 83.18.

This entry contains the average number of years to be lived by a group of people born in the same year, if mortality at each age remains constant in the future. The entry includes total population as well as the male and female components. Life expectancy at birth is also a measure of overall quality of life in a country and summarizes the mortality at all ages. It can also be thought of as indicating the potential return on investment in human capital and is necessary for the calculation of various actuarial measures.
Source: CIA World Factbook

The number of deaths of infants under one year old in a given year per 1,000 live births in Puerto Rico is 7.73 while in San Marino it is 4.52.

This entry gives the number of deaths of infants under one year old in a given year per 1,000 live births in the same year; included is the total death rate, and deaths by sex, male and female. This rate is often used as an indicator of the level of health in a country.
Source: CIA World Factbook