Current understanding of finance flows and needs for adaptation in crop agriculture, livestock, fisheries, aquaculture and forest products relies primarily on top-down projections, with limited data . By one estimate, in 2017/2018, agriculture, forestry and land use received 24% of public adaptation finance  and 35% of international grants  . According to data from OECD , finance flows for agriculture, forestry and fisheries have risen fairly linearly from ca. USD 1.46 billion in 2010  to ca. 5.5 billion in 2018. Over the entire tracked period, the three subsectors combined received a total of USD 29.82 billion for activities with principal and significant adaptation components.4 However, the data set only includes climate- related development finance from bilateral, multilateral and private philanthropic sources, whereas private sector finance flows are not captured as this is notoriously difficult to track . Most of the funding  was directed towards agriculture, with forestry  and fisheries  receiving significantly less, but across the subsectors, there is consistency in the sense that policy and administrative management and development receive the lion's share of support, which is predominantly given in the form of grants , while debt instruments  and equity and shares in collective investment vehicles  contribute less. From a regional perspective, 80% were directed to Africa , Asia-Pacific , and Latin America and Caribbean States , whereas Eastern Europe and Western Europe and Other States received  each and 17% were destined for 'developing countries' without regional tags. Finally, it is noteworthy that 38% of adaptation finance in agriculture, forestry and fisheries is marked as also having mitigation benefits, and roughly a quarter of funding is reported as having principal or significant gender objectives.
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report