npm init gives Error: Cannot find module 'process-nextick-args'

Question

I've used node and npm before in one or two projects, but I'm not really proficient with it. I now want to initialize a new project on MacOS by using npm init, but I get this:

$ npm init
module.js:540
    throw err;
    ^

Error: Cannot find module 'process-nextick-args'
    at Function.Module._resolveFilename (module.js:538:15)
    at Function.Module._load (module.js:468:25)
    at Module.require (module.js:587:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (/usr/local/lib/node_modules/npm/node_modules/readable-stream/lib/_stream_readable.js:26:23)
    at Module._compile (module.js:643:30)
    at Object.Module._extensions..js (module.js:654:10)
    at Module.load (module.js:556:32)
    at tryModuleLoad (module.js:499:12)
    at Function.Module._load (module.js:491:3)

Any idea what could be wrong here?

[EDIT]

I just tried the suggestion by @kgangadhar , but the result is the same:

$ sudo npm install -g process-nextick-args
module.js:540
    throw err;
    ^

Error: Cannot find module 'process-nextick-args'
    at Function.Module._resolveFilename (module.js:538:15)
    at Function.Module._load (module.js:468:25)
    at Module.require (module.js:587:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (/usr/local/lib/node_modules/npm/node_modules/readable-stream/lib/_stream_readable.js:26:23)
    at Module._compile (module.js:643:30)
    at Object.Module._extensions..js (module.js:654:10)
    at Module.load (module.js:556:32)
    at tryModuleLoad (module.js:499:12)
    at Function.Module._load (module.js:491:3)