. 2024 Mar 20;19(3):e0298379. doi: 10.1371/journal.pone.0298379

Table 1. Cumulative and yearly average floor areas (million m²) projected to be added in four-stories-and-higher multifamily residential and nonresidential buildings in the United States under median projections for each of five shared socioeconomic pathways (SSPs), 2020–2070.

Value type	Multifamily residential					Nonresidential					Total (multifamily residential + nonresidential)
Value type	SSP1	SSP2	SSP3	SSP4	SSP5	SSP1	SSP2	SSP3	SSP4	SSP5	SSP1	SSP2	SSP3	SSP4	SSP5
Cumulative	350	344	297	334	410	1,593	1,528	1,219	1,450	2,104	1,942	1,872	1,516	1,784	2,514
Annual	6.99	6.88	5.94	6.67	8.21	31.85	30.57	24.39	29.00	42.07	38.85	37.45	30.33	35.67	50.28

Table 1. Cumulative and yearly average floor areas (million m2) projected to be added in four-stories-and-higher multifamily residential and nonresidential buildings in the United States under median projections for each of five shared socioeconomic pathways (SSPs), 2020–2070.