The chart displays the US E-commerce Advertising Cost per Acquisition (USD) from 2015 to 2025, illustrating a significant and continuous upward trend in the cost of acquiring a customer over the decade. The Cost per Acquisition (USD) started at 59 USD in 2015. It then increased steadily to 63 USD in 2016, 68 USD in 2017, 72 USD in 2018, and 78 USD in 2019. The cost crossed the $80 mark in 2020 with 82 USD. The upward trend continued, reaching 89 USD in 2021, 90 USD in 2022, and 92 USD in 2023. The cost is projected to reach 95 USD in 2024 and peak at 96 USD in 2025. The total projected increase in CPA is 37 USD ($\mathbf{96 \text{ USD} - 59 \text{ USD} = 37 \text{ USD}}$) from 2015 to 2025, highlighting the increasing competition and cost to convert customers in the US e-commerce market.
| Labels | Year | Cost per Acquisition (USD) |
| 2015 | 2015 | 59 |
| 2016 | 2016 | 63 |
| 2017 | 2017 | 68 |
| 2018 | 2018 | 72 |
| 2019 | 2019 | 78 |
| 2020 | 2020 | 82 |
| 2021 | 2021 | 89 |
| 2022 | 2022 | 90 |
| 2023 | 2023 | 92 |
| 2024 | 2024 | 95 |
| 2025 | 2025 | 96 |
