Aging posEs A sErious ChAllEngE to oEC D、(orgAnizAtion oFEConomiCCo-opErAtion AnDDEvElopmEnt) CountriEs, in pArtiCulAr, how to pAy For FuturE puBliC pEnsion liABilitiEs.AnD EArly rEtirEmEnt plACEs An (1) BurDEn on pEnsion FinAnCing. thErE is no EAsy solution, But (2) rEtirEmEnt CoulD hElp. EArly rEtirEmEnt mAy sEEm likE A worthy inDiviDuAl goAl, But it is A soCiAlly (3) onE, AnD mAkEs thE prEsEnt puBliC pEnsion systEm DiFFiCult to sustAin For long. thE (4) rEAson is thAt morE pEoplE ArE rEtiring EArly AnD living longEr. thAt mEAns morE rEtirEEs DEpEnDing on thE (5) oF thosE in work For thEir inComE. thE (6) is worrying. in thE nExt 50 yEArs, low FErtility rAtEs AnD (7) liFE ExpECtAnCy in oEC D、CountriEs will CAusE this olD-AgE DEpEnDEnCy rAtE to roughly DouBlE (8) sizE. puBliC pEnsion pAymEnts, whiCh AFForD 30% ~ 80% oF totAl rEtirEmEnt inComEs in oEC D、CountriEs, ArE (9) to risE, on AvErAgE, By ovEr thrEE pErCEntAgE points in gDp AnD By As muCh As Eight pErCEntAgE points in somE CountriEs. (10) is thE prEssurE on pEnsion FunDs thAt thErE is A DAngEr oF toDAy’s workErs not gEtting thE pEnsions thEy ExpECtED or FElt thEy (11) For. ACtion is nEEDED, (12) simply Aiming to rEDuCE thE (13) (AnD Cost) oF puBliC pEnsions, or trying to (14) thE rolE oF privAtEly FunDED pEnsions within thE systEm, though nECEssAry stEps, mAy BE (15) to DEAl with thE DEpEnDEnCy ChAllEngE.AFtEr yEArs oF (16) EArly rEtirEmEnt sChEmEs to AvoiD (17) AnD highEr unEmploymEnt, mAny govErnmEnts ArE now looking (18) pErsuADing pEoplE to stAy in work until thEy ArE olDEr. surEly, thE thinking goEs, iF wE ArE hEAlthiEr now AnD joBs ArE physiCAlly lEss (19) AnD unEmploymEnt is Down, thEn pErhAps thE (20) rAtE shoulD risE AnEw. A、turBulEntB、strEnuousC、CompACt D、intriCAtE