Premise: The Northeast megalopolis ( also Boston -- Washington Corridor or Bos-Wash Corridor ) is the most heavily urbanized region of the United States , running primarily northeast to southwest from the northern suburbs of Boston , Massachusetts , to the southern suburbs of Washington , D.C. , in Northern Virginia . As of the year 2000 , the region contained 49.6 million people , about 17 % of the U.S. population on less than 2 % of the nation 's land area , with a population density of 931.3 people per square mile ( 359.6 people/km2 ) , compared to the U.S. average of 80.5 per square mile 2 ( 31 people/km2 ) . America 2050 projections expect the area to grow to 58.1 million people by 2025 .
Hypothesis: Northeast megalopolis includes people.
Label: ENTAILMENT