The US supports the Ukrainian economy with grants, while the EU mainly provides loans.
According to the Growford Institute, from the beginning of 2023, the leaders in providing Ukraine with financial, humanitarian, and military aid are the US (€71.3B), Great Britain (€9.8B), Germany (€7.4B), Japan (€6.2B) and the Netherlands (€3.9B). And the collective institutions of the EU and the member states have provided Ukraine with €61.9B.
Regarding the amount of financial aid, the largest donors are the US (€24.5B) and the collective institutions of the EU (€30.3B). At the same time, the US provides 100% of its financial aid in grants, but the EU institutions primarily use loans.
In addition to the US, Germany provided $1.4B of grant support to the Ukrainian government, the EU $760M, Italy $120M, and Spain $50M. Grant assistance from the governments of Finland, Ireland, Switzerland, and Denmark amounts to $10-23M.