つみたてＮＩＳＡ

Meanings

Tsumitate NISA; tax-advantaged investment account

A type of NISA (Nippon Individual Savings Account) specifically designed for regular, small-amount investments. Often contrasted with the regular NISA.

Kanji

積volume, product (x*y), acreage
立stand up, rise, set up

Related words

ＮＩＳＡ
NISA is the general tax-advantaged account; つみたてＮＩＳＡ is a subtype focused on regular, small-amount investments.
少しょう額がく投とう資し非ひ課か税ぜい制せい度ど
The formal legal name for the NISA system; つみたてＮＩＳＡ is the common name for the accumulation-focused variant.

Written forms

つみたてＮＩＳＡ
Common kana-kanji mixed spelling; the kana part つみたて is often used for clarity.
積立ＮＩＳＡつみたてにーさ
Kanji spelling using 積立 (accumulation); less common but still seen in official contexts.

Etymology

From 積立 (つみたて, 'accumulation') + NISA (acronym for Nippon Individual Savings Account). The term was coined when the Japanese government introduced the accumulation-focused NISA variant.