Question: Between Dane County Regional Airport and John F. Kennedy International Airport, which airport serves smaller population?

<P0-S0> Dane County Regional Airport (DCRA) (IATA: MSN, ICAO: KMSN, FAA LID: MSN) (Truax Field) is a civil-military airport located six miles northeast of downtown Madison, the capital of Wisconsin. <P0-S1>  In the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, it is categorized as a small-hub primary commercial service facility. <SEP> <P1-S0> John F. Kennedy International Airport (IATA: JFK, ICAO: KJFK, FAA LID: JFK) , often referred to as Kennedy Airport, or simply JFK, is the primary international airport serving New York City. <P1-S1>  It is the busiest international air passenger gateway into North America, the fifth busiest airport in the United States and the busiest airport in the New York City airport system, handling just under 59 million passengers in 2016. <P1-S2>  Over ninety airlines operate out of the airport, with non-stop or direct flights to destinations in all six inhabited continents. <SEP> <P2-S0> The transportation system of New York City is a network of complex infrastructural systems. <P2-S1>  New York City, being the most populous city in the United States, has a transportation system which includes one of the largest subway systems in the world; the world's first mechanically ventilated vehicular tunnel; and an aerial tramway. <P2-S2>  New York City's airport system, which includes John F. Kennedy International Airport, LaGuardia Airport, Newark Liberty International Airport (located in New Jersey), Stewart Airport and a few smaller facilities, is one of the largest in the world. <P2-S3>  New York City is also home to an extensive bus system in each of the five boroughs, and numerous taxis throughout the city. <SEP> <P3-S0> International air travel from the United Kingdom refers to the commercial carriage of passengers between the UK and the rest of the world. <P3-S1>  In 2008, London Heathrow Airport which is also the busiest international airport on Earth handled 67,054,745 passengers which is more than the total population of the United Kingdom. <P3-S2>  The 20 busiest airports in the UK handled close to 230 million passengers in 2008 (185 million of whom were international passengers). <P3-S3>  The geographical size of the UK means that many flights that would be considered domestic in for example the United States are actually international (i.e. the distance from Heathrow to Charles de Gaulle Airport is roughly the same as the distance between John F. Kennedy International Airport and Washington Dulles International Airport). <P3-S4>  The London airports, Heathrow, Gatwick and Stansted alongside Manchester Airport rank amongst the world's busiest airports by international passenger traffic. <P3-S5>  According to 2008 statistics the best served nations by direct flights from the UK were France, Italy, Spain, the United States and Germany with 50, 34, 33, 31 and 29 respectively. <P3-S6>  Overall Spain was the nation that saw the most passengers arrive from the UK in 2008, with a total of 34,557,729 (almost double the number that flew to the United States)