Specifications include, but are not limited to: 1. Estimates of the total number and geographic densities, considering pre-pandemic* income levels, of populations that may enter poverty over the short term.* 2. Estimates of the total number, income levels, and geographic densities, considering pre-pandemic income levels, of populations who may require rental assistance. 3. Estimates of the percentages of the above who had not recovered from recent disaster events, as of the pandemic onset. 4. Estimates of how long the increases in levels of poverty may last. 5. Estimates of how long potential needs for rental assistance may last, illustrated by pre-pandemic income levels. 6. Geographic densities of changing causes for rental insecurity (increases in medical care costs, non-layoff reduction in work for child care).