Version Notes
Version 8.73 (July XXth, 2026)
You can download IFs Version 8.73 at IFs 8.73.
WGDP(2100) = 548.1, WPOP(2100) = 9,667, WPOVEXTREME(2050) = 650.9, BaseYear = 2022, last year is 2100, Bilateral is ON, Constant Dollars Year is 2021.
Interface Updates
- Fix to reset Group variables in Flex Displays, problem when using Groups, then continue out to Main Menu and entering again.
- Stop using Nulls as 0s in Total formulas, problematic specially in GDS(Total), for US, China and Japan, but in general.
- Added Edit option to Education Pyramid.
- Change the scale for comparison in Education Pyramid.
- Added new option to Import Provinces Data.
- Fix for Switching between provinces with bilateral files
Model Updates
- Added new variable POPBYSEX, particularly to create a new Flex Display item Food Security Headcount by Sex.
- Changed initialization of Coal and Gas to use 10% of data of other sources if available
- Fix Run to Run on Embassies and Fix on LDRTRIPOUT, Conflict was not being used.
- Added Pardee Conflict variable to forward linkages.
- Added country dimension to slr, but only in the run of the model, in initialization still using the default from GlobalParameters.
- Updated computation of MFPSCCONF
- Added popurbanm and replaced migrater with migrateinr and migrateoutr in POPURBAN logic.
- The multiplier forestm was previously applied on a stock variable, which caused a compounding effect, this has now been fixed:

Data Updates
- Fixes to DataDict that were giving errors when adding 50 states provinces.
- Starting to use GTAP 12 initialization values.