Table 1 Sample sizes of the three datasets in PCF-Database, organized by available granularity of data. [] Show number of cradle-to-gate footprints, i.e., whose downstream emissions were not assessed by the company.

Detail included with footprint	Main: CI	Subset A: CI & value chain breakdown			Subset B: CI & footprint change
Detail included with footprint	Product weight and CO₂ eq	Upstream, direct operations, downstream	Contribution from transport	Contribution from end-of-life	Footprint change	Footprint change and reason for change
Automobiles & components	75	12 [0]	4	10	7	5
Chemicals	116	39 [28]	14	0	42	30
Commercial equipm. & capital goods	56	35 [0]	31	20	19	19
Computer, IT & telecom	253	161 [8]	141	104	54	44
Construction & commercial materials	67	44 [17]	27	0	45	41
Food & beverage	139	70 [3]	67	14	54	50
Home durables, textiles & equipm.	122	35 [1]	12	32	23	17
Packaging for consumer goods	38	25 [23]	2	0	6	6
All sectors	866	421 [80]	298	180	250	212

Such footprints create a bias towards smaller CI and were therefore excluded from some analyses (Methods). All 421 footprints with value chain breakdowns include the 3 emissions portions from upstream, direct operations, and downstream processes. Some of these footprints further split out emissions specifically for transport (which are also included in up- and/or downstream) and/or end-of-life (which are also included in downstream).

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