This calculator helps you work out what a forgotten or dormant KiwiSaver account could be worth today, and what it might be costing you to leave it where it is. In New Zealand you can only belong to one KiwiSaver scheme at a time, so your money is never truly lost the way an old bank account can be, but it is common to lose track of which provider you are with, especially if a bank signed you up years ago when you opened an everyday account, or an old employer enrolled you into a default scheme you never actively managed. Enter the balance you believe is sitting in that account, how many years until you plan to use it, either at retirement or for a first-home withdrawal, the fund type it is likely invested in, and the fund type of the account you would consolidate it into. The calculator projects both outcomes forward using standard FMA return assumptions, so you can see the dollar difference between leaving the balance where it is and finding it, then transferring it into your active KiwiSaver account. Below the calculator, we also explain exactly how to check myIR and contact Inland Revenue to identify your current provider.
This is an estimate based on the figures you enter, not a lookup of your real KiwiSaver account, since Calculate.co.nz has no access to any provider's or Inland Revenue's records. It assumes no further personal, employer or government contributions go into the dormant account, a constant average annual return with no market ups and downs, and no transfer or exit fee. Check myIR and your provider's own statements for the real balance and fund type.
There are a few genuine ways this happens. The most common is signing up through a bank when opening an everyday account, sometimes as a teenager or student, then changing banks or simply forgetting about it years later. Another is starting a job where the employer enrolled you into a default scheme, then leaving that job without ever logging in to check which fund you were placed in. Before 1 April 2013, the rules linking a person's IRD number to their existing KiwiSaver membership were less robust, so a small number of people who moved jobs quickly, or were enrolled more than once before the systems cross-checked properly, ended up with a stalled or overlooked balance in an older scheme. Since then, Inland Revenue directs new contributions to your existing scheme automatically, so genuine duplicate accounts are rare, though a leftover balance from years ago can still exist if you were never told which provider you ended up with, or if you simply lost the paperwork.
Start with myIR, Inland Revenue's free online account at ird.govt.nz. Once logged in, the KiwiSaver section shows your current scheme provider, the scheme name, and their contact details, since Inland Revenue collects and passes on every KiwiSaver contribution and always knows who your money currently sits with. If you have never set up myIR, you can register in a few minutes using your IRD number, or call Inland Revenue's dedicated KiwiSaver line on 0800 549 472, Monday to Friday between 8am and 6pm, and confirm your identity over the phone instead. Overseas callers can reach the same team on +64 4 832 5228. It also helps to check old payslips or ask former employers, since a payslip from years ago will usually show which provider your contributions were being sent to at the time. Once you have the provider's name, contact them directly. They can confirm your balance and, if you want to combine it with your current KiwiSaver account, send you a simple transfer form.
Take someone who signed up to a KiwiSaver scheme through their bank at age 20, when opening their first everyday account, then never touched it again. Twelve years later, aged 32, they have long since forgotten about it. After checking myIR, they discover the account, showing a balance of $1,800 still sitting in what turns out to be an old Conservative fund, since the account predates the 1 December 2021 change that made Balanced the new default. They plan to use their KiwiSaver at 65, twenty years away. Left where it is, growing at the standard 2.5% Conservative/Defensive assumption used in Fund Updates, that $1,800 would grow to about $2,949.51 over 20 years, with no more contributions going in since the account is no longer linked to any employer. If they instead ask the provider to transfer the balance into their current KiwiSaver account, a Growth fund assumed to return 4.5% a year, the same $1,800 grows to about $4,341.09 over the same 20 years. Finding and consolidating a single forgotten $1,800 balance is worth roughly $1,391.58 more by age 65, purely from being in a higher-growth fund, without adding another cent to it.
This is for anyone who suspects they have a KiwiSaver account they have lost track of, most often from a bank sign-up years ago or an old job, and wants to see whether it is worth the effort of tracking down. It is equally useful for anyone who already knows their balance and fund but has never worked out what staying in a lower-growth default fund, instead of consolidating into their main active account, is actually costing them.
Not in the way an old bank account can be lost. You can only belong to one KiwiSaver scheme at a time, so your money stays invested with a named provider and is always linked to your IRD number. What people usually mean by lost KiwiSaver is that they have forgotten, or never knew, which provider they are currently with.
Log in to myIR at ird.govt.nz and check the KiwiSaver section, which shows your current scheme and provider. If you cannot access myIR, call Inland Revenue on 0800 549 472, Monday to Friday, 8am to 6pm.
Generally no. New contributions are directed to your existing scheme automatically, so most people end up with only one active account. Genuine duplicates are rare today, but a small forgotten balance can still exist from an old, stalled transfer or an early voluntary sign-up.
Register for free at ird.govt.nz using your IRD number, or call Inland Revenue's KiwiSaver line on 0800 549 472 during business hours and confirm your identity over the phone.
Usually yes, if it is sitting in a lower-growth fund than your main account and you have a reasonable number of years left. Consolidating simply combines your balance into one account, one fund and one set of fees.
No. The government contribution requires at least $1,042.86 of personal contributions in the 1 July to 30 June year, capped at $260.72. A dormant account with no personal contributions does not receive it.
No. Your membership length is measured from the date you first joined any KiwiSaver scheme, not from your current provider. Transferring your balance does not reset the three-year membership test used for a first-home withdrawal.
You can still access myIR and your provider from overseas. If you cannot log in, Inland Revenue's overseas KiwiSaver line is +64 4 832 5228. Your account keeps growing, or shrinking, with normal fund performance while you are away.
This calculator is built from primary New Zealand sources. Always confirm current figures against the official source for your situation: