During his tenure as Prime Minister of New Zealand from 2008 to 2016, John Key achieved several notable accomplishments:

Economic Management: Key's government successfully steered New Zealand through the global financial crisis of 2008-2009. His government implemented measures to stimulate economic growth, attract investment, and reduce unemployment. Under his leadership, New Zealand experienced steady economic growth and maintained relatively low levels of public debt.

Tax Reforms: Key's government introduced tax reforms aimed at stimulating the economy and incentivizing investment. This included reducing personal and corporate tax rates, simplifying the tax system, and introducing a goods and services tax (GST) increase.

Infrastructure Development: Key prioritized infrastructure development to support economic growth and improve connectivity. Notable infrastructure projects included the completion of the Waterview Connection motorway tunnel in Auckland and investments in public transportation and broadband internet.

Education Reforms: Key's government implemented education reforms focused on raising educational standards and improving outcomes. Initiatives included increased investment in early childhood education, national standards for primary school education, and increased flexibility for schools to manage their own affairs.

Welfare Reforms: Key's government introduced welfare reforms aimed at reducing long-term welfare dependency and promoting self-sufficiency. These reforms included stricter work requirements for beneficiaries and changes to the welfare system to incentivize employment.

International Relations: Key played an active role in international relations, strengthening New Zealand's ties with key partners and representing the country on the global stage. Notable achievements include the negotiation and signing of the Trans-Pacific Partnership (TPP) agreement and the successful bid to secure a non-permanent seat on the United Nations Security Council.